Home / 744,053.45-1,115,530.79-238,321.85

Finding the Fourth Proportional to 744,053.45, 1,115,530.79 and 238,321.85

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Solution

The fourth proportional to 744,053.45, 1,115,530.79 and 238,321.85 is: 357,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,053.45 : 1,115,530.79 = 238,321.85 : x
  2. Step 2: Convert to fraction form
    744,053.45/1,115,530.79 = 238,321.85/x
  3. Step 3: Cross multiply
    744,053.45x = 1,115,530.79 × 238,321.85
  4. Step 4: Simplify right side
    744,053.45x = 265,855,354,835.50
  5. Step 5: Solve for x
    x = 265,855,354,835.50/744,053.45
  6. Step 6: Final answer
    x = 357,306.80

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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.