Home / 824,125.13-1,236,609.23-392,330.47

Finding the Fourth Proportional to 824,125.13, 1,236,609.23 and 392,330.47

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Solution

The fourth proportional to 824,125.13, 1,236,609.23 and 392,330.47 is: 588,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,125.13 : 1,236,609.23 = 392,330.47 : x
  2. Step 2: Convert to fraction form
    824,125.13/1,236,609.23 = 392,330.47/x
  3. Step 3: Cross multiply
    824,125.13x = 1,236,609.23 × 392,330.47
  4. Step 4: Simplify right side
    824,125.13x = 485,159,481,467.59
  5. Step 5: Solve for x
    x = 485,159,481,467.59/824,125.13
  6. Step 6: Final answer
    x = 588,696.38

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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.