Home / 859,537.68-1,287,534.65-503,472.21

Finding the Fourth Proportional to 859,537.68, 1,287,534.65 and 503,472.21

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Solution

The fourth proportional to 859,537.68, 1,287,534.65 and 503,472.21 is: 754,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,537.68 : 1,287,534.65 = 503,472.21 : x
  2. Step 2: Convert to fraction form
    859,537.68/1,287,534.65 = 503,472.21/x
  3. Step 3: Cross multiply
    859,537.68x = 1,287,534.65 × 503,472.21
  4. Step 4: Simplify right side
    859,537.68x = 648,237,913,169.72
  5. Step 5: Solve for x
    x = 648,237,913,169.72/859,537.68
  6. Step 6: Final answer
    x = 754,170.44

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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.