Home / 666,546.15-999,814.47-267,181.12

Finding the Fourth Proportional to 666,546.15, 999,814.47 and 267,181.12

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Solution

The fourth proportional to 666,546.15, 999,814.47 and 267,181.12 is: 400,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,546.15 : 999,814.47 = 267,181.12 : x
  2. Step 2: Convert to fraction form
    666,546.15/999,814.47 = 267,181.12/x
  3. Step 3: Cross multiply
    666,546.15x = 999,814.47 × 267,181.12
  4. Step 4: Simplify right side
    666,546.15x = 267,131,549,886.81
  5. Step 5: Solve for x
    x = 267,131,549,886.81/666,546.15
  6. Step 6: Final answer
    x = 400,769.77

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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.