Home / 738,820.70-1,108,231.05-265,553.90

Finding the Fourth Proportional to 738,820.70, 1,108,231.05 and 265,553.90

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Solution

The fourth proportional to 738,820.70, 1,108,231.05 and 265,553.90 is: 398,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,820.70 : 1,108,231.05 = 265,553.90 : x
  2. Step 2: Convert to fraction form
    738,820.70/1,108,231.05 = 265,553.90/x
  3. Step 3: Cross multiply
    738,820.70x = 1,108,231.05 × 265,553.90
  4. Step 4: Simplify right side
    738,820.70x = 294,295,077,428.60
  5. Step 5: Solve for x
    x = 294,295,077,428.60/738,820.70
  6. Step 6: Final answer
    x = 398,330.85

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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.