Home / 749,067.15-1,123,600.73-216,605.55

Finding the Fourth Proportional to 749,067.15, 1,123,600.73 and 216,605.55

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Solution

The fourth proportional to 749,067.15, 1,123,600.73 and 216,605.55 is: 324,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,067.15 : 1,123,600.73 = 216,605.55 : x
  2. Step 2: Convert to fraction form
    749,067.15/1,123,600.73 = 216,605.55/x
  3. Step 3: Cross multiply
    749,067.15x = 1,123,600.73 × 216,605.55
  4. Step 4: Simplify right side
    749,067.15x = 243,378,153,019.02
  5. Step 5: Solve for x
    x = 243,378,153,019.02/749,067.15
  6. Step 6: Final answer
    x = 324,908.33

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Half scale
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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.