Home / 667,079.06-1,000,805.67-268,000.10

Finding the Fourth Proportional to 667,079.06, 1,000,805.67 and 268,000.10

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Solution

The fourth proportional to 667,079.06, 1,000,805.67 and 268,000.10 is: 402,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,079.06 : 1,000,805.67 = 268,000.10 : x
  2. Step 2: Convert to fraction form
    667,079.06/1,000,805.67 = 268,000.10/x
  3. Step 3: Cross multiply
    667,079.06x = 1,000,805.67 × 268,000.10
  4. Step 4: Simplify right side
    667,079.06x = 268,216,019,640.57
  5. Step 5: Solve for x
    x = 268,216,019,640.57/667,079.06
  6. Step 6: Final answer
    x = 402,075.31

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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.