Home / 745,720.11-1,118,624.54-233,481.20

Finding the Fourth Proportional to 745,720.11, 1,118,624.54 and 233,481.20

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Solution

The fourth proportional to 745,720.11, 1,118,624.54 and 233,481.20 is: 350,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,720.11 : 1,118,624.54 = 233,481.20 : x
  2. Step 2: Convert to fraction form
    745,720.11/1,118,624.54 = 233,481.20/x
  3. Step 3: Cross multiply
    745,720.11x = 1,118,624.54 × 233,481.20
  4. Step 4: Simplify right side
    745,720.11x = 261,177,793,188.12
  5. Step 5: Solve for x
    x = 261,177,793,188.12/745,720.11
  6. Step 6: Final answer
    x = 350,235.68

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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.