Home / 774,719.71-1,159,579.72-400,227.55

Finding the Fourth Proportional to 774,719.71, 1,159,579.72 and 400,227.55

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Solution

The fourth proportional to 774,719.71, 1,159,579.72 and 400,227.55 is: 599,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,719.71 : 1,159,579.72 = 400,227.55 : x
  2. Step 2: Convert to fraction form
    774,719.71/1,159,579.72 = 400,227.55/x
  3. Step 3: Cross multiply
    774,719.71x = 1,159,579.72 × 400,227.55
  4. Step 4: Simplify right side
    774,719.71x = 464,095,750,365.29
  5. Step 5: Solve for x
    x = 464,095,750,365.29/774,719.71
  6. Step 6: Final answer
    x = 599,049.88

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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.