Home / 642,181.43-962,635.52-358,001.97

Finding the Fourth Proportional to 642,181.43, 962,635.52 and 358,001.97

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Solution

The fourth proportional to 642,181.43, 962,635.52 and 358,001.97 is: 536,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,181.43 : 962,635.52 = 358,001.97 : x
  2. Step 2: Convert to fraction form
    642,181.43/962,635.52 = 358,001.97/x
  3. Step 3: Cross multiply
    642,181.43x = 962,635.52 × 358,001.97
  4. Step 4: Simplify right side
    642,181.43x = 344,625,412,551.97
  5. Step 5: Solve for x
    x = 344,625,412,551.97/642,181.43
  6. Step 6: Final answer
    x = 536,648.05

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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.