Home / 892,079.73-1,230,719.67-509,901.48

Finding the Fourth Proportional to 892,079.73, 1,230,719.67 and 509,901.48

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Solution

The fourth proportional to 892,079.73, 1,230,719.67 and 509,901.48 is: 703,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,079.73 : 1,230,719.67 = 509,901.48 : x
  2. Step 2: Convert to fraction form
    892,079.73/1,230,719.67 = 509,901.48/x
  3. Step 3: Cross multiply
    892,079.73x = 1,230,719.67 × 509,901.48
  4. Step 4: Simplify right side
    892,079.73x = 627,545,781,198.11
  5. Step 5: Solve for x
    x = 627,545,781,198.11/892,079.73
  6. Step 6: Final answer
    x = 703,463.78

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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.