Home / 428,788.35-591,764.27-237,863.25

Finding the Fourth Proportional to 428,788.35, 591,764.27 and 237,863.25

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Solution

The fourth proportional to 428,788.35, 591,764.27 and 237,863.25 is: 328,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,788.35 : 591,764.27 = 237,863.25 : x
  2. Step 2: Convert to fraction form
    428,788.35/591,764.27 = 237,863.25/x
  3. Step 3: Cross multiply
    428,788.35x = 591,764.27 × 237,863.25
  4. Step 4: Simplify right side
    428,788.35x = 140,758,971,306.76
  5. Step 5: Solve for x
    x = 140,758,971,306.76/428,788.35
  6. Step 6: Final answer
    x = 328,271.45

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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.