Home / 428,818.79-591,754.92-237,849.95

Finding the Fourth Proportional to 428,818.79, 591,754.92 and 237,849.95

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Solution

The fourth proportional to 428,818.79, 591,754.92 and 237,849.95 is: 328,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,818.79 : 591,754.92 = 237,849.95 : x
  2. Step 2: Convert to fraction form
    428,818.79/591,754.92 = 237,849.95/x
  3. Step 3: Cross multiply
    428,818.79x = 591,754.92 × 237,849.95
  4. Step 4: Simplify right side
    428,818.79x = 140,748,878,721.70
  5. Step 5: Solve for x
    x = 140,748,878,721.70/428,818.79
  6. Step 6: Final answer
    x = 328,224.60

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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.