Home / 957,416.40-1,434,229.20-620,691.30

Finding the Fourth Proportional to 957,416.40, 1,434,229.20 and 620,691.30

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Solution

The fourth proportional to 957,416.40, 1,434,229.20 and 620,691.30 is: 929,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,416.40 : 1,434,229.20 = 620,691.30 : x
  2. Step 2: Convert to fraction form
    957,416.40/1,434,229.20 = 620,691.30/x
  3. Step 3: Cross multiply
    957,416.40x = 1,434,229.20 × 620,691.30
  4. Step 4: Simplify right side
    957,416.40x = 890,213,586,645.96
  5. Step 5: Solve for x
    x = 890,213,586,645.96/957,416.40
  6. Step 6: Final answer
    x = 929,808.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.