Home / 398,646.12-598,249.40-360,531.84

Finding the Fourth Proportional to 398,646.12, 598,249.40 and 360,531.84

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Solution

The fourth proportional to 398,646.12, 598,249.40 and 360,531.84 is: 541,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,646.12 : 598,249.40 = 360,531.84 : x
  2. Step 2: Convert to fraction form
    398,646.12/598,249.40 = 360,531.84/x
  3. Step 3: Cross multiply
    398,646.12x = 598,249.40 × 360,531.84
  4. Step 4: Simplify right side
    398,646.12x = 215,687,955,158.24
  5. Step 5: Solve for x
    x = 215,687,955,158.24/398,646.12
  6. Step 6: Final answer
    x = 541,051.18

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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.