Home / 730,312.27-1,007,812.33-408,024.78

Finding the Fourth Proportional to 730,312.27, 1,007,812.33 and 408,024.78

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Solution

The fourth proportional to 730,312.27, 1,007,812.33 and 408,024.78 is: 563,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,312.27 : 1,007,812.33 = 408,024.78 : x
  2. Step 2: Convert to fraction form
    730,312.27/1,007,812.33 = 408,024.78/x
  3. Step 3: Cross multiply
    730,312.27x = 1,007,812.33 × 408,024.78
  4. Step 4: Simplify right side
    730,312.27x = 411,212,399,430.18
  5. Step 5: Solve for x
    x = 411,212,399,430.18/730,312.27
  6. Step 6: Final answer
    x = 563,063.80

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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.