Home / 646,761.02-892,472.31-360,274.95

Finding the Fourth Proportional to 646,761.02, 892,472.31 and 360,274.95

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Solution

The fourth proportional to 646,761.02, 892,472.31 and 360,274.95 is: 497,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,761.02 : 892,472.31 = 360,274.95 : x
  2. Step 2: Convert to fraction form
    646,761.02/892,472.31 = 360,274.95/x
  3. Step 3: Cross multiply
    646,761.02x = 892,472.31 × 360,274.95
  4. Step 4: Simplify right side
    646,761.02x = 321,535,416,861.64
  5. Step 5: Solve for x
    x = 321,535,416,861.64/646,761.02
  6. Step 6: Final answer
    x = 497,147.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.