Home / 746,380.28-1,030,032.78-424,145.24

Finding the Fourth Proportional to 746,380.28, 1,030,032.78 and 424,145.24

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Solution

The fourth proportional to 746,380.28, 1,030,032.78 and 424,145.24 is: 585,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,380.28 : 1,030,032.78 = 424,145.24 : x
  2. Step 2: Convert to fraction form
    746,380.28/1,030,032.78 = 424,145.24/x
  3. Step 3: Cross multiply
    746,380.28x = 1,030,032.78 × 424,145.24
  4. Step 4: Simplify right side
    746,380.28x = 436,883,500,680.97
  5. Step 5: Solve for x
    x = 436,883,500,680.97/746,380.28
  6. Step 6: Final answer
    x = 585,336.34

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Half scale
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Double scale
Find fourth proportional to 746,381.28, 1,030,034.16 and 424,146.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.