Home / 731,169.40-1,009,006.86-408,875.80

Finding the Fourth Proportional to 731,169.40, 1,009,006.86 and 408,875.80

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Solution

The fourth proportional to 731,169.40, 1,009,006.86 and 408,875.80 is: 564,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,169.40 : 1,009,006.86 = 408,875.80 : x
  2. Step 2: Convert to fraction form
    731,169.40/1,009,006.86 = 408,875.80/x
  3. Step 3: Cross multiply
    731,169.40x = 1,009,006.86 × 408,875.80
  4. Step 4: Simplify right side
    731,169.40x = 412,558,487,087.99
  5. Step 5: Solve for x
    x = 412,558,487,087.99/731,169.40
  6. Step 6: Final answer
    x = 564,244.74

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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.