Home / 774,680.96-1,162,022.36-242,204.78

Finding the Fourth Proportional to 774,680.96, 1,162,022.36 and 242,204.78

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Solution

The fourth proportional to 774,680.96, 1,162,022.36 and 242,204.78 is: 363,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,680.96 : 1,162,022.36 = 242,204.78 : x
  2. Step 2: Convert to fraction form
    774,680.96/1,162,022.36 = 242,204.78/x
  3. Step 3: Cross multiply
    774,680.96x = 1,162,022.36 × 242,204.78
  4. Step 4: Simplify right side
    774,680.96x = 281,447,371,752.91
  5. Step 5: Solve for x
    x = 281,447,371,752.91/774,680.96
  6. Step 6: Final answer
    x = 363,307.46

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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.