Home / 738,710.85-1,108,099.46-226,338.45

Finding the Fourth Proportional to 738,710.85, 1,108,099.46 and 226,338.45

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Solution

The fourth proportional to 738,710.85, 1,108,099.46 and 226,338.45 is: 339,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,710.85 : 1,108,099.46 = 226,338.45 : x
  2. Step 2: Convert to fraction form
    738,710.85/1,108,099.46 = 226,338.45/x
  3. Step 3: Cross multiply
    738,710.85x = 1,108,099.46 × 226,338.45
  4. Step 4: Simplify right side
    738,710.85x = 250,805,510,632.71
  5. Step 5: Solve for x
    x = 250,805,510,632.71/738,710.85
  6. Step 6: Final answer
    x = 339,517.84

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Double scale
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Similar ratio
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1.5x scale

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.