Home / 428,764.88-591,652.86-247,535.30

Finding the Fourth Proportional to 428,764.88, 591,652.86 and 247,535.30

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Solution

The fourth proportional to 428,764.88, 591,652.86 and 247,535.30 is: 341,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,764.88 : 591,652.86 = 247,535.30 : x
  2. Step 2: Convert to fraction form
    428,764.88/591,652.86 = 247,535.30/x
  3. Step 3: Cross multiply
    428,764.88x = 591,652.86 × 247,535.30
  4. Step 4: Simplify right side
    428,764.88x = 146,454,968,195.96
  5. Step 5: Solve for x
    x = 146,454,968,195.96/428,764.88
  6. Step 6: Final answer
    x = 341,574.08

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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.