Home / 731,650.09-1,009,716.23-409,340.89

Finding the Fourth Proportional to 731,650.09, 1,009,716.23 and 409,340.89

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Solution

The fourth proportional to 731,650.09, 1,009,716.23 and 409,340.89 is: 564,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,650.09 : 1,009,716.23 = 409,340.89 : x
  2. Step 2: Convert to fraction form
    731,650.09/1,009,716.23 = 409,340.89/x
  3. Step 3: Cross multiply
    731,650.09x = 1,009,716.23 × 409,340.89
  4. Step 4: Simplify right side
    731,650.09x = 413,318,138,188.94
  5. Step 5: Solve for x
    x = 413,318,138,188.94/731,650.09
  6. Step 6: Final answer
    x = 564,912.30

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Double scale
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Similar ratio
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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.