Home / 774,743.90-1,162,072.08-242,202.11

Finding the Fourth Proportional to 774,743.90, 1,162,072.08 and 242,202.11

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Solution

The fourth proportional to 774,743.90, 1,162,072.08 and 242,202.11 is: 363,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,743.90 : 1,162,072.08 = 242,202.11 : x
  2. Step 2: Convert to fraction form
    774,743.90/1,162,072.08 = 242,202.11/x
  3. Step 3: Cross multiply
    774,743.90x = 1,162,072.08 × 242,202.11
  4. Step 4: Simplify right side
    774,743.90x = 281,456,303,937.73
  5. Step 5: Solve for x
    x = 281,456,303,937.73/774,743.90
  6. Step 6: Final answer
    x = 363,289.48

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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.