Home / 774,921.72-1,162,316.52-269,352.90

Finding the Fourth Proportional to 774,921.72, 1,162,316.52 and 269,352.90

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Solution

The fourth proportional to 774,921.72, 1,162,316.52 and 269,352.90 is: 404,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,921.72 : 1,162,316.52 = 269,352.90 : x
  2. Step 2: Convert to fraction form
    774,921.72/1,162,316.52 = 269,352.90/x
  3. Step 3: Cross multiply
    774,921.72x = 1,162,316.52 × 269,352.90
  4. Step 4: Simplify right side
    774,921.72x = 313,073,325,379.91
  5. Step 5: Solve for x
    x = 313,073,325,379.91/774,921.72
  6. Step 6: Final answer
    x = 404,006.39

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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.