Home / 642,616.47-965,125.32-565,706.73

Finding the Fourth Proportional to 642,616.47, 965,125.32 and 565,706.73

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Solution

The fourth proportional to 642,616.47, 965,125.32 and 565,706.73 is: 849,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,616.47 : 965,125.32 = 565,706.73 : x
  2. Step 2: Convert to fraction form
    642,616.47/965,125.32 = 565,706.73/x
  3. Step 3: Cross multiply
    642,616.47x = 965,125.32 × 565,706.73
  4. Step 4: Simplify right side
    642,616.47x = 545,977,891,906.27
  5. Step 5: Solve for x
    x = 545,977,891,906.27/642,616.47
  6. Step 6: Final answer
    x = 849,617.02

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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.