Home / 658,666.10-908,947.38-372,180.02

Finding the Fourth Proportional to 658,666.10, 908,947.38 and 372,180.02

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Solution

The fourth proportional to 658,666.10, 908,947.38 and 372,180.02 is: 513,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,666.10 : 908,947.38 = 372,180.02 : x
  2. Step 2: Convert to fraction form
    658,666.10/908,947.38 = 372,180.02/x
  3. Step 3: Cross multiply
    658,666.10x = 908,947.38 × 372,180.02
  4. Step 4: Simplify right side
    658,666.10x = 338,292,054,067.35
  5. Step 5: Solve for x
    x = 338,292,054,067.35/658,666.10
  6. Step 6: Final answer
    x = 513,601.74

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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.