Home / 667,915.20-1,001,095.20-268,358.40

Finding the Fourth Proportional to 667,915.20, 1,001,095.20 and 268,358.40

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Solution

The fourth proportional to 667,915.20, 1,001,095.20 and 268,358.40 is: 402,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,915.20 : 1,001,095.20 = 268,358.40 : x
  2. Step 2: Convert to fraction form
    667,915.20/1,001,095.20 = 268,358.40/x
  3. Step 3: Cross multiply
    667,915.20x = 1,001,095.20 × 268,358.40
  4. Step 4: Simplify right side
    667,915.20x = 268,652,306,119.68
  5. Step 5: Solve for x
    x = 268,652,306,119.68/667,915.20
  6. Step 6: Final answer
    x = 402,225.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.