Home / 386,422.24-532,646.56-304,617.12

Finding the Fourth Proportional to 386,422.24, 532,646.56 and 304,617.12

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Solution

The fourth proportional to 386,422.24, 532,646.56 and 304,617.12 is: 419,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,422.24 : 532,646.56 = 304,617.12 : x
  2. Step 2: Convert to fraction form
    386,422.24/532,646.56 = 304,617.12/x
  3. Step 3: Cross multiply
    386,422.24x = 532,646.56 × 304,617.12
  4. Step 4: Simplify right side
    386,422.24x = 162,253,261,085.11
  5. Step 5: Solve for x
    x = 162,253,261,085.11/386,422.24
  6. Step 6: Final answer
    x = 419,885.93

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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.