Home / 849,859.52-1,172,761.62-467,811.68

Finding the Fourth Proportional to 849,859.52, 1,172,761.62 and 467,811.68

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Solution

The fourth proportional to 849,859.52, 1,172,761.62 and 467,811.68 is: 645,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,859.52 : 1,172,761.62 = 467,811.68 : x
  2. Step 2: Convert to fraction form
    849,859.52/1,172,761.62 = 467,811.68/x
  3. Step 3: Cross multiply
    849,859.52x = 1,172,761.62 × 467,811.68
  4. Step 4: Simplify right side
    849,859.52x = 548,631,583,691.72
  5. Step 5: Solve for x
    x = 548,631,583,691.72/849,859.52
  6. Step 6: Final answer
    x = 645,555.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.