Home / 730,299.77-1,007,795.12-408,012.29

Finding the Fourth Proportional to 730,299.77, 1,007,795.12 and 408,012.29

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Solution

The fourth proportional to 730,299.77, 1,007,795.12 and 408,012.29 is: 563,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,299.77 : 1,007,795.12 = 408,012.29 : x
  2. Step 2: Convert to fraction form
    730,299.77/1,007,795.12 = 408,012.29/x
  3. Step 3: Cross multiply
    730,299.77x = 1,007,795.12 × 408,012.29
  4. Step 4: Simplify right side
    730,299.77x = 411,192,798,301.54
  5. Step 5: Solve for x
    x = 411,192,798,301.54/730,299.77
  6. Step 6: Final answer
    x = 563,046.59

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Double scale
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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.