Home / 731,399.90-1,008,925.61-425,441.84

Finding the Fourth Proportional to 731,399.90, 1,008,925.61 and 425,441.84

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Solution

The fourth proportional to 731,399.90, 1,008,925.61 and 425,441.84 is: 586,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,399.90 : 1,008,925.61 = 425,441.84 : x
  2. Step 2: Convert to fraction form
    731,399.90/1,008,925.61 = 425,441.84/x
  3. Step 3: Cross multiply
    731,399.90x = 1,008,925.61 × 425,441.84
  4. Step 4: Simplify right side
    731,399.90x = 429,239,160,769.69
  5. Step 5: Solve for x
    x = 429,239,160,769.69/731,399.90
  6. Step 6: Final answer
    x = 586,873.42

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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.