Home / 746,378.28-1,030,030.02-424,143.24

Finding the Fourth Proportional to 746,378.28, 1,030,030.02 and 424,143.24

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Solution

The fourth proportional to 746,378.28, 1,030,030.02 and 424,143.24 is: 585,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,378.28 : 1,030,030.02 = 424,143.24 : x
  2. Step 2: Convert to fraction form
    746,378.28/1,030,030.02 = 424,143.24/x
  3. Step 3: Cross multiply
    746,378.28x = 1,030,030.02 × 424,143.24
  4. Step 4: Simplify right side
    746,378.28x = 436,880,269,980.07
  5. Step 5: Solve for x
    x = 436,880,269,980.07/746,378.28
  6. Step 6: Final answer
    x = 585,333.58

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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.