Home / 731,240.40-1,009,104.66-408,946.80

Finding the Fourth Proportional to 731,240.40, 1,009,104.66 and 408,946.80

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Solution

The fourth proportional to 731,240.40, 1,009,104.66 and 408,946.80 is: 564,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,240.40 : 1,009,104.66 = 408,946.80 : x
  2. Step 2: Convert to fraction form
    731,240.40/1,009,104.66 = 408,946.80/x
  3. Step 3: Cross multiply
    731,240.40x = 1,009,104.66 × 408,946.80
  4. Step 4: Simplify right side
    731,240.40x = 412,670,121,572.09
  5. Step 5: Solve for x
    x = 412,670,121,572.09/731,240.40
  6. Step 6: Final answer
    x = 564,342.62

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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.