Home / 428,810.60-591,794.97-237,885.50

Finding the Fourth Proportional to 428,810.60, 591,794.97 and 237,885.50

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Solution

The fourth proportional to 428,810.60, 591,794.97 and 237,885.50 is: 328,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,810.60 : 591,794.97 = 237,885.50 : x
  2. Step 2: Convert to fraction form
    428,810.60/591,794.97 = 237,885.50/x
  3. Step 3: Cross multiply
    428,810.60x = 591,794.97 × 237,885.50
  4. Step 4: Simplify right side
    428,810.60x = 140,779,442,335.94
  5. Step 5: Solve for x
    x = 140,779,442,335.94/428,810.60
  6. Step 6: Final answer
    x = 328,302.15

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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.