Home / 428,856.06-591,433.95-267,725.94

Finding the Fourth Proportional to 428,856.06, 591,433.95 and 267,725.94

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Solution

The fourth proportional to 428,856.06, 591,433.95 and 267,725.94 is: 369,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,856.06 : 591,433.95 = 267,725.94 : x
  2. Step 2: Convert to fraction form
    428,856.06/591,433.95 = 267,725.94/x
  3. Step 3: Cross multiply
    428,856.06x = 591,433.95 × 267,725.94
  4. Step 4: Simplify right side
    428,856.06x = 158,342,210,211.66
  5. Step 5: Solve for x
    x = 158,342,210,211.66/428,856.06
  6. Step 6: Final answer
    x = 369,219.94

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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.