Home / 824,129.41-1,236,616.02-392,335.52

Finding the Fourth Proportional to 824,129.41, 1,236,616.02 and 392,335.52

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Solution

The fourth proportional to 824,129.41, 1,236,616.02 and 392,335.52 is: 588,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,129.41 : 1,236,616.02 = 392,335.52 : x
  2. Step 2: Convert to fraction form
    824,129.41/1,236,616.02 = 392,335.52/x
  3. Step 3: Cross multiply
    824,129.41x = 1,236,616.02 × 392,335.52
  4. Step 4: Simplify right side
    824,129.41x = 485,168,389,247.03
  5. Step 5: Solve for x
    x = 485,168,389,247.03/824,129.41
  6. Step 6: Final answer
    x = 588,704.13

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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.