Home / 731,323.05-1,009,144.26-409,026.69

Finding the Fourth Proportional to 731,323.05, 1,009,144.26 and 409,026.69

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Solution

The fourth proportional to 731,323.05, 1,009,144.26 and 409,026.69 is: 564,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,323.05 : 1,009,144.26 = 409,026.69 : x
  2. Step 2: Convert to fraction form
    731,323.05/1,009,144.26 = 409,026.69/x
  3. Step 3: Cross multiply
    731,323.05x = 1,009,144.26 × 409,026.69
  4. Step 4: Simplify right side
    731,323.05x = 412,766,936,400.30
  5. Step 5: Solve for x
    x = 412,766,936,400.30/731,323.05
  6. Step 6: Final answer
    x = 564,411.22

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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.