Home / 951,874.20-1,427,858.64-312,242.40

Finding the Fourth Proportional to 951,874.20, 1,427,858.64 and 312,242.40

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Solution

The fourth proportional to 951,874.20, 1,427,858.64 and 312,242.40 is: 468,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,874.20 : 1,427,858.64 = 312,242.40 : x
  2. Step 2: Convert to fraction form
    951,874.20/1,427,858.64 = 312,242.40/x
  3. Step 3: Cross multiply
    951,874.20x = 1,427,858.64 × 312,242.40
  4. Step 4: Simplify right side
    951,874.20x = 445,838,008,614.34
  5. Step 5: Solve for x
    x = 445,838,008,614.34/951,874.20
  6. Step 6: Final answer
    x = 468,379.13

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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.