Home / 767,282.12-1,151,318.70-341,111.96

Finding the Fourth Proportional to 767,282.12, 1,151,318.70 and 341,111.96

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Solution

The fourth proportional to 767,282.12, 1,151,318.70 and 341,111.96 is: 511,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,282.12 : 1,151,318.70 = 341,111.96 : x
  2. Step 2: Convert to fraction form
    767,282.12/1,151,318.70 = 341,111.96/x
  3. Step 3: Cross multiply
    767,282.12x = 1,151,318.70 × 341,111.96
  4. Step 4: Simplify right side
    767,282.12x = 392,728,578,341.65
  5. Step 5: Solve for x
    x = 392,728,578,341.65/767,282.12
  6. Step 6: Final answer
    x = 511,843.78

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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.