Home / 685,991.20-1,027,237.20-546,023.20

Finding the Fourth Proportional to 685,991.20, 1,027,237.20 and 546,023.20

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Solution

The fourth proportional to 685,991.20, 1,027,237.20 and 546,023.20 is: 817,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,991.20 : 1,027,237.20 = 546,023.20 : x
  2. Step 2: Convert to fraction form
    685,991.20/1,027,237.20 = 546,023.20/x
  3. Step 3: Cross multiply
    685,991.20x = 1,027,237.20 × 546,023.20
  4. Step 4: Simplify right side
    685,991.20x = 560,895,343,103.04
  5. Step 5: Solve for x
    x = 560,895,343,103.04/685,991.20
  6. Step 6: Final answer
    x = 817,642.18

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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.