Home / 909,823.57-1,255,330.80-599,691.78

Finding the Fourth Proportional to 909,823.57, 1,255,330.80 and 599,691.78

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Solution

The fourth proportional to 909,823.57, 1,255,330.80 and 599,691.78 is: 827,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,823.57 : 1,255,330.80 = 599,691.78 : x
  2. Step 2: Convert to fraction form
    909,823.57/1,255,330.80 = 599,691.78/x
  3. Step 3: Cross multiply
    909,823.57x = 1,255,330.80 × 599,691.78
  4. Step 4: Simplify right side
    909,823.57x = 752,811,561,940.82
  5. Step 5: Solve for x
    x = 752,811,561,940.82/909,823.57
  6. Step 6: Final answer
    x = 827,425.87

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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.