Home / 428,551.52-591,406.44-247,301.06

Finding the Fourth Proportional to 428,551.52, 591,406.44 and 247,301.06

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Solution

The fourth proportional to 428,551.52, 591,406.44 and 247,301.06 is: 341,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,551.52 : 591,406.44 = 247,301.06 : x
  2. Step 2: Convert to fraction form
    428,551.52/591,406.44 = 247,301.06/x
  3. Step 3: Cross multiply
    428,551.52x = 591,406.44 × 247,301.06
  4. Step 4: Simplify right side
    428,551.52x = 146,255,439,502.83
  5. Step 5: Solve for x
    x = 146,255,439,502.83/428,551.52
  6. Step 6: Final answer
    x = 341,278.55

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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.