Home / 428,549.24-591,393.30-247,259

Finding the Fourth Proportional to 428,549.24, 591,393.30 and 247,259

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Solution

The fourth proportional to 428,549.24, 591,393.30 and 247,259 is: 341,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,549.24 : 591,393.30 = 247,259 : x
  2. Step 2: Convert to fraction form
    428,549.24/591,393.30 = 247,259/x
  3. Step 3: Cross multiply
    428,549.24x = 591,393.30 × 247,259
  4. Step 4: Simplify right side
    428,549.24x = 146,227,315,964.70
  5. Step 5: Solve for x
    x = 146,227,315,964.70/428,549.24
  6. Step 6: Final answer
    x = 341,214.74

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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.