Home / 428,701.95-591,566.02-247,472.28

Finding the Fourth Proportional to 428,701.95, 591,566.02 and 247,472.28

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Solution

The fourth proportional to 428,701.95, 591,566.02 and 247,472.28 is: 341,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,701.95 : 591,566.02 = 247,472.28 : x
  2. Step 2: Convert to fraction form
    428,701.95/591,566.02 = 247,472.28/x
  3. Step 3: Cross multiply
    428,701.95x = 591,566.02 × 247,472.28
  4. Step 4: Simplify right side
    428,701.95x = 146,396,191,121.25
  5. Step 5: Solve for x
    x = 146,396,191,121.25/428,701.95
  6. Step 6: Final answer
    x = 341,487.11

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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.