Home / 685,989.20-1,027,234.20-546,021.20

Finding the Fourth Proportional to 685,989.20, 1,027,234.20 and 546,021.20

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Solution

The fourth proportional to 685,989.20, 1,027,234.20 and 546,021.20 is: 817,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,989.20 : 1,027,234.20 = 546,021.20 : x
  2. Step 2: Convert to fraction form
    685,989.20/1,027,234.20 = 546,021.20/x
  3. Step 3: Cross multiply
    685,989.20x = 1,027,234.20 × 546,021.20
  4. Step 4: Simplify right side
    685,989.20x = 560,891,650,565.04
  5. Step 5: Solve for x
    x = 560,891,650,565.04/685,989.20
  6. Step 6: Final answer
    x = 817,639.19

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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.