Home / 428,795.60-591,774.28-237,870.52

Finding the Fourth Proportional to 428,795.60, 591,774.28 and 237,870.52

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Solution

The fourth proportional to 428,795.60, 591,774.28 and 237,870.52 is: 328,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,795.60 : 591,774.28 = 237,870.52 : x
  2. Step 2: Convert to fraction form
    428,795.60/591,774.28 = 237,870.52/x
  3. Step 3: Cross multiply
    428,795.60x = 591,774.28 × 237,870.52
  4. Step 4: Simplify right side
    428,795.60x = 140,765,655,706.23
  5. Step 5: Solve for x
    x = 140,765,655,706.23/428,795.60
  6. Step 6: Final answer
    x = 328,281.48

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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.