Home / 832,520.92-1,248,015.92-299,911.72

Finding the Fourth Proportional to 832,520.92, 1,248,015.92 and 299,911.72

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Solution

The fourth proportional to 832,520.92, 1,248,015.92 and 299,911.72 is: 449,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,520.92 : 1,248,015.92 = 299,911.72 : x
  2. Step 2: Convert to fraction form
    832,520.92/1,248,015.92 = 299,911.72/x
  3. Step 3: Cross multiply
    832,520.92x = 1,248,015.92 × 299,911.72
  4. Step 4: Simplify right side
    832,520.92x = 374,294,601,154.58
  5. Step 5: Solve for x
    x = 374,294,601,154.58/832,520.92
  6. Step 6: Final answer
    x = 449,591.83

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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.