Home / 916,449.20-1,374,673.80-242,529.20

Finding the Fourth Proportional to 916,449.20, 1,374,673.80 and 242,529.20

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Solution

The fourth proportional to 916,449.20, 1,374,673.80 and 242,529.20 is: 363,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,449.20 : 1,374,673.80 = 242,529.20 : x
  2. Step 2: Convert to fraction form
    916,449.20/1,374,673.80 = 242,529.20/x
  3. Step 3: Cross multiply
    916,449.20x = 1,374,673.80 × 242,529.20
  4. Step 4: Simplify right side
    916,449.20x = 333,398,536,974.96
  5. Step 5: Solve for x
    x = 333,398,536,974.96/916,449.20
  6. Step 6: Final answer
    x = 363,793.80

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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.