Home / 871,742.92-1,307,689.62-240,656.80

Finding the Fourth Proportional to 871,742.92, 1,307,689.62 and 240,656.80

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Solution

The fourth proportional to 871,742.92, 1,307,689.62 and 240,656.80 is: 361,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,742.92 : 1,307,689.62 = 240,656.80 : x
  2. Step 2: Convert to fraction form
    871,742.92/1,307,689.62 = 240,656.80/x
  3. Step 3: Cross multiply
    871,742.92x = 1,307,689.62 × 240,656.80
  4. Step 4: Simplify right side
    871,742.92x = 314,704,399,342.42
  5. Step 5: Solve for x
    x = 314,704,399,342.42/871,742.92
  6. Step 6: Final answer
    x = 361,005.97

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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.