Home / 774,908.78-1,162,363.16-242,434.42

Finding the Fourth Proportional to 774,908.78, 1,162,363.16 and 242,434.42

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Solution

The fourth proportional to 774,908.78, 1,162,363.16 and 242,434.42 is: 363,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,908.78 : 1,162,363.16 = 242,434.42 : x
  2. Step 2: Convert to fraction form
    774,908.78/1,162,363.16 = 242,434.42/x
  3. Step 3: Cross multiply
    774,908.78x = 1,162,363.16 × 242,434.42
  4. Step 4: Simplify right side
    774,908.78x = 281,796,836,224.15
  5. Step 5: Solve for x
    x = 281,796,836,224.15/774,908.78
  6. Step 6: Final answer
    x = 363,651.63

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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.