Home / 746,377.28-1,030,028.64-424,142.24

Finding the Fourth Proportional to 746,377.28, 1,030,028.64 and 424,142.24

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Solution

The fourth proportional to 746,377.28, 1,030,028.64 and 424,142.24 is: 585,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,377.28 : 1,030,028.64 = 424,142.24 : x
  2. Step 2: Convert to fraction form
    746,377.28/1,030,028.64 = 424,142.24/x
  3. Step 3: Cross multiply
    746,377.28x = 1,030,028.64 × 424,142.24
  4. Step 4: Simplify right side
    746,377.28x = 436,878,654,633.75
  5. Step 5: Solve for x
    x = 436,878,654,633.75/746,377.28
  6. Step 6: Final answer
    x = 585,332.20

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Half scale
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Double scale
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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.