Home / 747,318.16-1,031,299.08-479,046.16

Finding the Fourth Proportional to 747,318.16, 1,031,299.08 and 479,046.16

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Solution

The fourth proportional to 747,318.16, 1,031,299.08 and 479,046.16 is: 661,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,318.16 : 1,031,299.08 = 479,046.16 : x
  2. Step 2: Convert to fraction form
    747,318.16/1,031,299.08 = 479,046.16/x
  3. Step 3: Cross multiply
    747,318.16x = 1,031,299.08 × 479,046.16
  4. Step 4: Simplify right side
    747,318.16x = 494,039,864,085.53
  5. Step 5: Solve for x
    x = 494,039,864,085.53/747,318.16
  6. Step 6: Final answer
    x = 661,083.71

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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.