Home / 428,492.39-591,309.92-237,504.11

Finding the Fourth Proportional to 428,492.39, 591,309.92 and 237,504.11

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Solution

The fourth proportional to 428,492.39, 591,309.92 and 237,504.11 is: 327,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,492.39 : 591,309.92 = 237,504.11 : x
  2. Step 2: Convert to fraction form
    428,492.39/591,309.92 = 237,504.11/x
  3. Step 3: Cross multiply
    428,492.39x = 591,309.92 × 237,504.11
  4. Step 4: Simplify right side
    428,492.39x = 140,438,533,920.98
  5. Step 5: Solve for x
    x = 140,438,533,920.98/428,492.39
  6. Step 6: Final answer
    x = 327,750.36

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1.5x scale

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.