Home / 667,085.10-1,000,814.72-268,006.11

Finding the Fourth Proportional to 667,085.10, 1,000,814.72 and 268,006.11

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Solution

The fourth proportional to 667,085.10, 1,000,814.72 and 268,006.11 is: 402,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,085.10 : 1,000,814.72 = 268,006.11 : x
  2. Step 2: Convert to fraction form
    667,085.10/1,000,814.72 = 268,006.11/x
  3. Step 3: Cross multiply
    667,085.10x = 1,000,814.72 × 268,006.11
  4. Step 4: Simplify right side
    667,085.10x = 268,224,458,597.91
  5. Step 5: Solve for x
    x = 268,224,458,597.91/667,085.10
  6. Step 6: Final answer
    x = 402,084.32

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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.