Home / 841,940.87-1,262,029.19-392,290.97

Finding the Fourth Proportional to 841,940.87, 1,262,029.19 and 392,290.97

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Solution

The fourth proportional to 841,940.87, 1,262,029.19 and 392,290.97 is: 588,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,940.87 : 1,262,029.19 = 392,290.97 : x
  2. Step 2: Convert to fraction form
    841,940.87/1,262,029.19 = 392,290.97/x
  3. Step 3: Cross multiply
    841,940.87x = 1,262,029.19 × 392,290.97
  4. Step 4: Simplify right side
    841,940.87x = 495,082,646,841.81
  5. Step 5: Solve for x
    x = 495,082,646,841.81/841,940.87
  6. Step 6: Final answer
    x = 588,025.44

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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.