Home / 738,015.40-1,107,023.10-264,529.90

Finding the Fourth Proportional to 738,015.40, 1,107,023.10 and 264,529.90

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Solution

The fourth proportional to 738,015.40, 1,107,023.10 and 264,529.90 is: 396,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,015.40 : 1,107,023.10 = 264,529.90 : x
  2. Step 2: Convert to fraction form
    738,015.40/1,107,023.10 = 264,529.90/x
  3. Step 3: Cross multiply
    738,015.40x = 1,107,023.10 × 264,529.90
  4. Step 4: Simplify right side
    738,015.40x = 292,840,709,940.69
  5. Step 5: Solve for x
    x = 292,840,709,940.69/738,015.40
  6. Step 6: Final answer
    x = 396,794.85

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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.