Home / 730,411.80-1,007,966.14-408,122.16

Finding the Fourth Proportional to 730,411.80, 1,007,966.14 and 408,122.16

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Solution

The fourth proportional to 730,411.80, 1,007,966.14 and 408,122.16 is: 563,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,411.80 : 1,007,966.14 = 408,122.16 : x
  2. Step 2: Convert to fraction form
    730,411.80/1,007,966.14 = 408,122.16/x
  3. Step 3: Cross multiply
    730,411.80x = 1,007,966.14 × 408,122.16
  4. Step 4: Simplify right side
    730,411.80x = 411,373,318,263.66
  5. Step 5: Solve for x
    x = 411,373,318,263.66/730,411.80
  6. Step 6: Final answer
    x = 563,207.38

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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.