Home / 859,557.43-1,287,564.27-503,491.96

Finding the Fourth Proportional to 859,557.43, 1,287,564.27 and 503,491.96

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Solution

The fourth proportional to 859,557.43, 1,287,564.27 and 503,491.96 is: 754,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,557.43 : 1,287,564.27 = 503,491.96 : x
  2. Step 2: Convert to fraction form
    859,557.43/1,287,564.27 = 503,491.96/x
  3. Step 3: Cross multiply
    859,557.43x = 1,287,564.27 × 503,491.96
  4. Step 4: Simplify right side
    859,557.43x = 648,278,257,928.27
  5. Step 5: Solve for x
    x = 648,278,257,928.27/859,557.43
  6. Step 6: Final answer
    x = 754,200.05

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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.