Home / 731,496.40-1,009,557.96-409,224.40

Finding the Fourth Proportional to 731,496.40, 1,009,557.96 and 409,224.40

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Solution

The fourth proportional to 731,496.40, 1,009,557.96 and 409,224.40 is: 564,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,496.40 : 1,009,557.96 = 409,224.40 : x
  2. Step 2: Convert to fraction form
    731,496.40/1,009,557.96 = 409,224.40/x
  3. Step 3: Cross multiply
    731,496.40x = 1,009,557.96 × 409,224.40
  4. Step 4: Simplify right side
    731,496.40x = 413,135,750,446.22
  5. Step 5: Solve for x
    x = 413,135,750,446.22/731,496.40
  6. Step 6: Final answer
    x = 564,781.66

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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.