Home / 751,288.91-1,127,064.58-330,553.85

Finding the Fourth Proportional to 751,288.91, 1,127,064.58 and 330,553.85

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Solution

The fourth proportional to 751,288.91, 1,127,064.58 and 330,553.85 is: 495,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,288.91 : 1,127,064.58 = 330,553.85 : x
  2. Step 2: Convert to fraction form
    751,288.91/1,127,064.58 = 330,553.85/x
  3. Step 3: Cross multiply
    751,288.91x = 1,127,064.58 × 330,553.85
  4. Step 4: Simplify right side
    751,288.91x = 372,555,529,655.93
  5. Step 5: Solve for x
    x = 372,555,529,655.93/751,288.91
  6. Step 6: Final answer
    x = 495,888.50

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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.