Home / 698,001.76-1,046,991.12-172,689.76

Finding the Fourth Proportional to 698,001.76, 1,046,991.12 and 172,689.76

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Solution

The fourth proportional to 698,001.76, 1,046,991.12 and 172,689.76 is: 259,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,001.76 : 1,046,991.12 = 172,689.76 : x
  2. Step 2: Convert to fraction form
    698,001.76/1,046,991.12 = 172,689.76/x
  3. Step 3: Cross multiply
    698,001.76x = 1,046,991.12 × 172,689.76
  4. Step 4: Simplify right side
    698,001.76x = 180,804,645,234.93
  5. Step 5: Solve for x
    x = 180,804,645,234.93/698,001.76
  6. Step 6: Final answer
    x = 259,031.79

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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.