Home / 666,861.12-1,000,405.44-246,139.20

Finding the Fourth Proportional to 666,861.12, 1,000,405.44 and 246,139.20

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Solution

The fourth proportional to 666,861.12, 1,000,405.44 and 246,139.20 is: 369,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,861.12 : 1,000,405.44 = 246,139.20 : x
  2. Step 2: Convert to fraction form
    666,861.12/1,000,405.44 = 246,139.20/x
  3. Step 3: Cross multiply
    666,861.12x = 1,000,405.44 × 246,139.20
  4. Step 4: Simplify right side
    666,861.12x = 246,238,994,677.25
  5. Step 5: Solve for x
    x = 246,238,994,677.25/666,861.12
  6. Step 6: Final answer
    x = 369,250.79

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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.