Home / 859,556.43-1,287,562.77-503,490.96

Finding the Fourth Proportional to 859,556.43, 1,287,562.77 and 503,490.96

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Solution

The fourth proportional to 859,556.43, 1,287,562.77 and 503,490.96 is: 754,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,556.43 : 1,287,562.77 = 503,490.96 : x
  2. Step 2: Convert to fraction form
    859,556.43/1,287,562.77 = 503,490.96/x
  3. Step 3: Cross multiply
    859,556.43x = 1,287,562.77 × 503,490.96
  4. Step 4: Simplify right side
    859,556.43x = 648,276,215,127.56
  5. Step 5: Solve for x
    x = 648,276,215,127.56/859,556.43
  6. Step 6: Final answer
    x = 754,198.55

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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.