Home / 774,796.32-1,161,528.80-269,291.66

Finding the Fourth Proportional to 774,796.32, 1,161,528.80 and 269,291.66

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Solution

The fourth proportional to 774,796.32, 1,161,528.80 and 269,291.66 is: 403,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,796.32 : 1,161,528.80 = 269,291.66 : x
  2. Step 2: Convert to fraction form
    774,796.32/1,161,528.80 = 269,291.66/x
  3. Step 3: Cross multiply
    774,796.32x = 1,161,528.80 × 269,291.66
  4. Step 4: Simplify right side
    774,796.32x = 312,790,011,535.71
  5. Step 5: Solve for x
    x = 312,790,011,535.71/774,796.32
  6. Step 6: Final answer
    x = 403,706.11

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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.