Home / 730,299.71-1,007,795.04-408,012.23

Finding the Fourth Proportional to 730,299.71, 1,007,795.04 and 408,012.23

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Solution

The fourth proportional to 730,299.71, 1,007,795.04 and 408,012.23 is: 563,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,299.71 : 1,007,795.04 = 408,012.23 : x
  2. Step 2: Convert to fraction form
    730,299.71/1,007,795.04 = 408,012.23/x
  3. Step 3: Cross multiply
    730,299.71x = 1,007,795.04 × 408,012.23
  4. Step 4: Simplify right side
    730,299.71x = 411,192,699,613.28
  5. Step 5: Solve for x
    x = 411,192,699,613.28/730,299.71
  6. Step 6: Final answer
    x = 563,046.51

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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.