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Finding the Fourth Proportional to 777,901, 1,165,295.08 and 618,246.36

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Solution

The fourth proportional to 777,901, 1,165,295.08 and 618,246.36 is: 926,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,901 : 1,165,295.08 = 618,246.36 : x
  2. Step 2: Convert to fraction form
    777,901/1,165,295.08 = 618,246.36/x
  3. Step 3: Cross multiply
    777,901x = 1,165,295.08 × 618,246.36
  4. Step 4: Simplify right side
    777,901x = 720,439,441,535.91
  5. Step 5: Solve for x
    x = 720,439,441,535.91/777,901
  6. Step 6: Final answer
    x = 926,132.56

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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.