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Finding the Fourth Proportional to 713,568.16, 982,832.16 and 531,697.12

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Solution

The fourth proportional to 713,568.16, 982,832.16 and 531,697.12 is: 732,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,568.16 : 982,832.16 = 531,697.12 : x
  2. Step 2: Convert to fraction form
    713,568.16/982,832.16 = 531,697.12/x
  3. Step 3: Cross multiply
    713,568.16x = 982,832.16 × 531,697.12
  4. Step 4: Simplify right side
    713,568.16x = 522,569,028,915.38
  5. Step 5: Solve for x
    x = 522,569,028,915.38/713,568.16
  6. Step 6: Final answer
    x = 732,332.32

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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.