Home / 428,968.22-592,028.64-247,679.85

Finding the Fourth Proportional to 428,968.22, 592,028.64 and 247,679.85

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Solution

The fourth proportional to 428,968.22, 592,028.64 and 247,679.85 is: 341,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,968.22 : 592,028.64 = 247,679.85 : x
  2. Step 2: Convert to fraction form
    428,968.22/592,028.64 = 247,679.85/x
  3. Step 3: Cross multiply
    428,968.22x = 592,028.64 × 247,679.85
  4. Step 4: Simplify right side
    428,968.22x = 146,633,564,750.90
  5. Step 5: Solve for x
    x = 146,633,564,750.90/428,968.22
  6. Step 6: Final answer
    x = 341,828.50

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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.