Home / 428,884.45-591,849.12-247,590.25

Finding the Fourth Proportional to 428,884.45, 591,849.12 and 247,590.25

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Solution

The fourth proportional to 428,884.45, 591,849.12 and 247,590.25 is: 341,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,884.45 : 591,849.12 = 247,590.25 : x
  2. Step 2: Convert to fraction form
    428,884.45/591,849.12 = 247,590.25/x
  3. Step 3: Cross multiply
    428,884.45x = 591,849.12 × 247,590.25
  4. Step 4: Simplify right side
    428,884.45x = 146,536,071,583.08
  5. Step 5: Solve for x
    x = 146,536,071,583.08/428,884.45
  6. Step 6: Final answer
    x = 341,667.95

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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.