Home / 379,420.20-523,601.19-207,338.13

Finding the Fourth Proportional to 379,420.20, 523,601.19 and 207,338.13

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Solution

The fourth proportional to 379,420.20, 523,601.19 and 207,338.13 is: 286,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,420.20 : 523,601.19 = 207,338.13 : x
  2. Step 2: Convert to fraction form
    379,420.20/523,601.19 = 207,338.13/x
  3. Step 3: Cross multiply
    379,420.20x = 523,601.19 × 207,338.13
  4. Step 4: Simplify right side
    379,420.20x = 108,562,491,600.38
  5. Step 5: Solve for x
    x = 108,562,491,600.38/379,420.20
  6. Step 6: Final answer
    x = 286,127.34

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1.5x scale

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.