Home / 715,667.20-1,073,500.80-242,238.40

Finding the Fourth Proportional to 715,667.20, 1,073,500.80 and 242,238.40

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Solution

The fourth proportional to 715,667.20, 1,073,500.80 and 242,238.40 is: 363,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,667.20 : 1,073,500.80 = 242,238.40 : x
  2. Step 2: Convert to fraction form
    715,667.20/1,073,500.80 = 242,238.40/x
  3. Step 3: Cross multiply
    715,667.20x = 1,073,500.80 × 242,238.40
  4. Step 4: Simplify right side
    715,667.20x = 260,043,116,190.72
  5. Step 5: Solve for x
    x = 260,043,116,190.72/715,667.20
  6. Step 6: Final answer
    x = 363,357.60

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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.