Home / 774,645.93-1,162,155.70-269,133.33

Finding the Fourth Proportional to 774,645.93, 1,162,155.70 and 269,133.33

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Solution

The fourth proportional to 774,645.93, 1,162,155.70 and 269,133.33 is: 403,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,645.93 : 1,162,155.70 = 269,133.33 : x
  2. Step 2: Convert to fraction form
    774,645.93/1,162,155.70 = 269,133.33/x
  3. Step 3: Cross multiply
    774,645.93x = 1,162,155.70 × 269,133.33
  4. Step 4: Simplify right side
    774,645.93x = 312,774,833,519.48
  5. Step 5: Solve for x
    x = 312,774,833,519.48/774,645.93
  6. Step 6: Final answer
    x = 403,764.90

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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.