Home / 484,597.28-668,744.20-269,732.72

Finding the Fourth Proportional to 484,597.28, 668,744.20 and 269,732.72

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Solution

The fourth proportional to 484,597.28, 668,744.20 and 269,732.72 is: 372,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,597.28 : 668,744.20 = 269,732.72 : x
  2. Step 2: Convert to fraction form
    484,597.28/668,744.20 = 269,732.72/x
  3. Step 3: Cross multiply
    484,597.28x = 668,744.20 × 269,732.72
  4. Step 4: Simplify right side
    484,597.28x = 180,382,192,050.22
  5. Step 5: Solve for x
    x = 180,382,192,050.22/484,597.28
  6. Step 6: Final answer
    x = 372,231.13

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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.