Home / 774,876.97-1,162,364.66-206,248.77

Finding the Fourth Proportional to 774,876.97, 1,162,364.66 and 206,248.77

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Solution

The fourth proportional to 774,876.97, 1,162,364.66 and 206,248.77 is: 309,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,876.97 : 1,162,364.66 = 206,248.77 : x
  2. Step 2: Convert to fraction form
    774,876.97/1,162,364.66 = 206,248.77/x
  3. Step 3: Cross multiply
    774,876.97x = 1,162,364.66 × 206,248.77
  4. Step 4: Simplify right side
    774,876.97x = 239,736,281,416.47
  5. Step 5: Solve for x
    x = 239,736,281,416.47/774,876.97
  6. Step 6: Final answer
    x = 309,386.25

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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.