Home / 730,473.72-1,008,034.37-408,186.46

Finding the Fourth Proportional to 730,473.72, 1,008,034.37 and 408,186.46

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Solution

The fourth proportional to 730,473.72, 1,008,034.37 and 408,186.46 is: 563,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,473.72 : 1,008,034.37 = 408,186.46 : x
  2. Step 2: Convert to fraction form
    730,473.72/1,008,034.37 = 408,186.46/x
  3. Step 3: Cross multiply
    730,473.72x = 1,008,034.37 × 408,186.46
  4. Step 4: Simplify right side
    730,473.72x = 411,465,979,007.70
  5. Step 5: Solve for x
    x = 411,465,979,007.70/730,473.72
  6. Step 6: Final answer
    x = 563,286.50

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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.