Home / 887,991.30-1,330,456.05-413,703.90

Finding the Fourth Proportional to 887,991.30, 1,330,456.05 and 413,703.90

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Solution

The fourth proportional to 887,991.30, 1,330,456.05 and 413,703.90 is: 619,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,991.30 : 1,330,456.05 = 413,703.90 : x
  2. Step 2: Convert to fraction form
    887,991.30/1,330,456.05 = 413,703.90/x
  3. Step 3: Cross multiply
    887,991.30x = 1,330,456.05 × 413,703.90
  4. Step 4: Simplify right side
    887,991.30x = 550,414,856,663.60
  5. Step 5: Solve for x
    x = 550,414,856,663.60/887,991.30
  6. Step 6: Final answer
    x = 619,842.62

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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.