Home / 428,552.52-591,407.82-247,302.06

Finding the Fourth Proportional to 428,552.52, 591,407.82 and 247,302.06

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Solution

The fourth proportional to 428,552.52, 591,407.82 and 247,302.06 is: 341,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,552.52 : 591,407.82 = 247,302.06 : x
  2. Step 2: Convert to fraction form
    428,552.52/591,407.82 = 247,302.06/x
  3. Step 3: Cross multiply
    428,552.52x = 591,407.82 × 247,302.06
  4. Step 4: Simplify right side
    428,552.52x = 146,256,372,186.11
  5. Step 5: Solve for x
    x = 146,256,372,186.11/428,552.52
  6. Step 6: Final answer
    x = 341,279.93

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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.