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Finding the Fourth Proportional to 777,954.30, 1,166,931.65 and 245,517

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Solution

The fourth proportional to 777,954.30, 1,166,931.65 and 245,517 is: 368,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,954.30 : 1,166,931.65 = 245,517 : x
  2. Step 2: Convert to fraction form
    777,954.30/1,166,931.65 = 245,517/x
  3. Step 3: Cross multiply
    777,954.30x = 1,166,931.65 × 245,517
  4. Step 4: Simplify right side
    777,954.30x = 286,501,557,913.05
  5. Step 5: Solve for x
    x = 286,501,557,913.05/777,954.30
  6. Step 6: Final answer
    x = 368,275.56

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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.