Home / 774,228.32-1,161,508.48-268,805.28

Finding the Fourth Proportional to 774,228.32, 1,161,508.48 and 268,805.28

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Solution

The fourth proportional to 774,228.32, 1,161,508.48 and 268,805.28 is: 403,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,228.32 : 1,161,508.48 = 268,805.28 : x
  2. Step 2: Convert to fraction form
    774,228.32/1,161,508.48 = 268,805.28/x
  3. Step 3: Cross multiply
    774,228.32x = 1,161,508.48 × 268,805.28
  4. Step 4: Simplify right side
    774,228.32x = 312,219,612,188.77
  5. Step 5: Solve for x
    x = 312,219,612,188.77/774,228.32
  6. Step 6: Final answer
    x = 403,265.55

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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.