Home / 774,718.71-1,159,578.23-400,226.55

Finding the Fourth Proportional to 774,718.71, 1,159,578.23 and 400,226.55

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Solution

The fourth proportional to 774,718.71, 1,159,578.23 and 400,226.55 is: 599,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,718.71 : 1,159,578.23 = 400,226.55 : x
  2. Step 2: Convert to fraction form
    774,718.71/1,159,578.23 = 400,226.55/x
  3. Step 3: Cross multiply
    774,718.71x = 1,159,578.23 × 400,226.55
  4. Step 4: Simplify right side
    774,718.71x = 464,093,992,446.87
  5. Step 5: Solve for x
    x = 464,093,992,446.87/774,718.71
  6. Step 6: Final answer
    x = 599,048.39

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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.