Home / 859,553.10-1,287,557.73-503,487.63

Finding the Fourth Proportional to 859,553.10, 1,287,557.73 and 503,487.63

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Solution

The fourth proportional to 859,553.10, 1,287,557.73 and 503,487.63 is: 754,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,553.10 : 1,287,557.73 = 503,487.63 : x
  2. Step 2: Convert to fraction form
    859,553.10/1,287,557.73 = 503,487.63/x
  3. Step 3: Cross multiply
    859,553.10x = 1,287,557.73 × 503,487.63
  4. Step 4: Simplify right side
    859,553.10x = 648,269,389,965.88
  5. Step 5: Solve for x
    x = 648,269,389,965.88/859,553.10
  6. Step 6: Final answer
    x = 754,193.53

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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.