Home / 731,204.40-1,009,054.98-408,910.80

Finding the Fourth Proportional to 731,204.40, 1,009,054.98 and 408,910.80

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Solution

The fourth proportional to 731,204.40, 1,009,054.98 and 408,910.80 is: 564,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,204.40 : 1,009,054.98 = 408,910.80 : x
  2. Step 2: Convert to fraction form
    731,204.40/1,009,054.98 = 408,910.80/x
  3. Step 3: Cross multiply
    731,204.40x = 1,009,054.98 × 408,910.80
  4. Step 4: Simplify right side
    731,204.40x = 412,613,479,115.78
  5. Step 5: Solve for x
    x = 412,613,479,115.78/731,204.40
  6. Step 6: Final answer
    x = 564,292.94

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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.