Home / 689,450.60-1,034,180.46-240,179.96

Finding the Fourth Proportional to 689,450.60, 1,034,180.46 and 240,179.96

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Solution

The fourth proportional to 689,450.60, 1,034,180.46 and 240,179.96 is: 360,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,450.60 : 1,034,180.46 = 240,179.96 : x
  2. Step 2: Convert to fraction form
    689,450.60/1,034,180.46 = 240,179.96/x
  3. Step 3: Cross multiply
    689,450.60x = 1,034,180.46 × 240,179.96
  4. Step 4: Simplify right side
    689,450.60x = 248,389,416,344.68
  5. Step 5: Solve for x
    x = 248,389,416,344.68/689,450.60
  6. Step 6: Final answer
    x = 360,271.52

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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.