Home / 730,294.08-1,007,769.92-407,940.16

Finding the Fourth Proportional to 730,294.08, 1,007,769.92 and 407,940.16

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Solution

The fourth proportional to 730,294.08, 1,007,769.92 and 407,940.16 is: 562,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,294.08 : 1,007,769.92 = 407,940.16 : x
  2. Step 2: Convert to fraction form
    730,294.08/1,007,769.92 = 407,940.16/x
  3. Step 3: Cross multiply
    730,294.08x = 1,007,769.92 × 407,940.16
  4. Step 4: Simplify right side
    730,294.08x = 411,109,822,407.99
  5. Step 5: Solve for x
    x = 411,109,822,407.99/730,294.08
  6. Step 6: Final answer
    x = 562,937.36

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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.