Home / 774,631.66-1,161,946.59-269,192.68

Finding the Fourth Proportional to 774,631.66, 1,161,946.59 and 269,192.68

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Solution

The fourth proportional to 774,631.66, 1,161,946.59 and 269,192.68 is: 403,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,631.66 : 1,161,946.59 = 269,192.68 : x
  2. Step 2: Convert to fraction form
    774,631.66/1,161,946.59 = 269,192.68/x
  3. Step 3: Cross multiply
    774,631.66x = 1,161,946.59 × 269,192.68
  4. Step 4: Simplify right side
    774,631.66x = 312,787,516,578.96
  5. Step 5: Solve for x
    x = 312,787,516,578.96/774,631.66
  6. Step 6: Final answer
    x = 403,788.71

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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.