Home / 747,311.58-1,121,155.12-214,833.58

Finding the Fourth Proportional to 747,311.58, 1,121,155.12 and 214,833.58

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Solution

The fourth proportional to 747,311.58, 1,121,155.12 and 214,833.58 is: 322,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,311.58 : 1,121,155.12 = 214,833.58 : x
  2. Step 2: Convert to fraction form
    747,311.58/1,121,155.12 = 214,833.58/x
  3. Step 3: Cross multiply
    747,311.58x = 1,121,155.12 × 214,833.58
  4. Step 4: Simplify right side
    747,311.58x = 240,861,768,164.93
  5. Step 5: Solve for x
    x = 240,861,768,164.93/747,311.58
  6. Step 6: Final answer
    x = 322,304.34

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Double scale
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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.