Home / 859,562.50-1,287,659.03-498,977.28

Finding the Fourth Proportional to 859,562.50, 1,287,659.03 and 498,977.28

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Solution

The fourth proportional to 859,562.50, 1,287,659.03 and 498,977.28 is: 747,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,562.50 : 1,287,659.03 = 498,977.28 : x
  2. Step 2: Convert to fraction form
    859,562.50/1,287,659.03 = 498,977.28/x
  3. Step 3: Cross multiply
    859,562.50x = 1,287,659.03 × 498,977.28
  4. Step 4: Simplify right side
    859,562.50x = 642,512,601,604.28
  5. Step 5: Solve for x
    x = 642,512,601,604.28/859,562.50
  6. Step 6: Final answer
    x = 747,487.94

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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.