Home / 777,186.56-1,166,073.60-304,209.92

Finding the Fourth Proportional to 777,186.56, 1,166,073.60 and 304,209.92

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Solution

The fourth proportional to 777,186.56, 1,166,073.60 and 304,209.92 is: 456,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,186.56 : 1,166,073.60 = 304,209.92 : x
  2. Step 2: Convert to fraction form
    777,186.56/1,166,073.60 = 304,209.92/x
  3. Step 3: Cross multiply
    777,186.56x = 1,166,073.60 × 304,209.92
  4. Step 4: Simplify right side
    777,186.56x = 354,731,156,570.11
  5. Step 5: Solve for x
    x = 354,731,156,570.11/777,186.56
  6. Step 6: Final answer
    x = 456,429.86

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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.