Home / 824,125.26-1,236,609.42-392,330.60

Finding the Fourth Proportional to 824,125.26, 1,236,609.42 and 392,330.60

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Solution

The fourth proportional to 824,125.26, 1,236,609.42 and 392,330.60 is: 588,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,125.26 : 1,236,609.42 = 392,330.60 : x
  2. Step 2: Convert to fraction form
    824,125.26/1,236,609.42 = 392,330.60/x
  3. Step 3: Cross multiply
    824,125.26x = 1,236,609.42 × 392,330.60
  4. Step 4: Simplify right side
    824,125.26x = 485,159,707,569.55
  5. Step 5: Solve for x
    x = 485,159,707,569.55/824,125.26
  6. Step 6: Final answer
    x = 588,696.57

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1.5x scale

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.