Home / 537,877.97-742,049.15-320,043.20

Finding the Fourth Proportional to 537,877.97, 742,049.15 and 320,043.20

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Solution

The fourth proportional to 537,877.97, 742,049.15 and 320,043.20 is: 441,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,877.97 : 742,049.15 = 320,043.20 : x
  2. Step 2: Convert to fraction form
    537,877.97/742,049.15 = 320,043.20/x
  3. Step 3: Cross multiply
    537,877.97x = 742,049.15 × 320,043.20
  4. Step 4: Simplify right side
    537,877.97x = 237,487,785,187.09
  5. Step 5: Solve for x
    x = 237,487,785,187.09/537,877.97
  6. Step 6: Final answer
    x = 441,527.26

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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.