Home / 731,422.27-1,008,956.41-425,464.21

Finding the Fourth Proportional to 731,422.27, 1,008,956.41 and 425,464.21

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Solution

The fourth proportional to 731,422.27, 1,008,956.41 and 425,464.21 is: 586,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,422.27 : 1,008,956.41 = 425,464.21 : x
  2. Step 2: Convert to fraction form
    731,422.27/1,008,956.41 = 425,464.21/x
  3. Step 3: Cross multiply
    731,422.27x = 1,008,956.41 × 425,464.21
  4. Step 4: Simplify right side
    731,422.27x = 429,274,841,905.09
  5. Step 5: Solve for x
    x = 429,274,841,905.09/731,422.27
  6. Step 6: Final answer
    x = 586,904.25

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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.