Home / 398,799.56-597,975.06-132,417.48

Finding the Fourth Proportional to 398,799.56, 597,975.06 and 132,417.48

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Solution

The fourth proportional to 398,799.56, 597,975.06 and 132,417.48 is: 198,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,799.56 : 597,975.06 = 132,417.48 : x
  2. Step 2: Convert to fraction form
    398,799.56/597,975.06 = 132,417.48/x
  3. Step 3: Cross multiply
    398,799.56x = 597,975.06 × 132,417.48
  4. Step 4: Simplify right side
    398,799.56x = 79,182,350,548.05
  5. Step 5: Solve for x
    x = 79,182,350,548.05/398,799.56
  6. Step 6: Final answer
    x = 198,551.75

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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.