Home / 751,861.90-1,127,342.45-239,305.65

Finding the Fourth Proportional to 751,861.90, 1,127,342.45 and 239,305.65

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Solution

The fourth proportional to 751,861.90, 1,127,342.45 and 239,305.65 is: 358,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,861.90 : 1,127,342.45 = 239,305.65 : x
  2. Step 2: Convert to fraction form
    751,861.90/1,127,342.45 = 239,305.65/x
  3. Step 3: Cross multiply
    751,861.90x = 1,127,342.45 × 239,305.65
  4. Step 4: Simplify right side
    751,861.90x = 269,779,414,140.57
  5. Step 5: Solve for x
    x = 269,779,414,140.57/751,861.90
  6. Step 6: Final answer
    x = 358,815.11

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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.