Home / 753,278.60-1,129,919.76-184,662.20

Finding the Fourth Proportional to 753,278.60, 1,129,919.76 and 184,662.20

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Solution

The fourth proportional to 753,278.60, 1,129,919.76 and 184,662.20 is: 276,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,278.60 : 1,129,919.76 = 184,662.20 : x
  2. Step 2: Convert to fraction form
    753,278.60/1,129,919.76 = 184,662.20/x
  3. Step 3: Cross multiply
    753,278.60x = 1,129,919.76 × 184,662.20
  4. Step 4: Simplify right side
    753,278.60x = 208,653,468,705.07
  5. Step 5: Solve for x
    x = 208,653,468,705.07/753,278.60
  6. Step 6: Final answer
    x = 276,993.76

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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.