Home / 665,545.97-997,919.46-305,265.47

Finding the Fourth Proportional to 665,545.97, 997,919.46 and 305,265.47

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Solution

The fourth proportional to 665,545.97, 997,919.46 and 305,265.47 is: 457,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,545.97 : 997,919.46 = 305,265.47 : x
  2. Step 2: Convert to fraction form
    665,545.97/997,919.46 = 305,265.47/x
  3. Step 3: Cross multiply
    665,545.97x = 997,919.46 × 305,265.47
  4. Step 4: Simplify right side
    665,545.97x = 304,630,347,989.45
  5. Step 5: Solve for x
    x = 304,630,347,989.45/665,545.97
  6. Step 6: Final answer
    x = 457,714.96

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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.