Home / 803,841.31-1,206,345.21-647,951.95

Finding the Fourth Proportional to 803,841.31, 1,206,345.21 and 647,951.95

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Solution

The fourth proportional to 803,841.31, 1,206,345.21 and 647,951.95 is: 972,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,841.31 : 1,206,345.21 = 647,951.95 : x
  2. Step 2: Convert to fraction form
    803,841.31/1,206,345.21 = 647,951.95/x
  3. Step 3: Cross multiply
    803,841.31x = 1,206,345.21 × 647,951.95
  4. Step 4: Simplify right side
    803,841.31x = 781,653,731,192.66
  5. Step 5: Solve for x
    x = 781,653,731,192.66/803,841.31
  6. Step 6: Final answer
    x = 972,398.06

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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.