Home / 730,424.25-1,007,990.52-408,147.93

Finding the Fourth Proportional to 730,424.25, 1,007,990.52 and 408,147.93

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Solution

The fourth proportional to 730,424.25, 1,007,990.52 and 408,147.93 is: 563,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,424.25 : 1,007,990.52 = 408,147.93 : x
  2. Step 2: Convert to fraction form
    730,424.25/1,007,990.52 = 408,147.93/x
  3. Step 3: Cross multiply
    730,424.25x = 1,007,990.52 × 408,147.93
  4. Step 4: Simplify right side
    730,424.25x = 411,409,244,197.62
  5. Step 5: Solve for x
    x = 411,409,244,197.62/730,424.25
  6. Step 6: Final answer
    x = 563,246.97

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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.