Home / 776,761.20-1,165,141.80-244,445.40

Finding the Fourth Proportional to 776,761.20, 1,165,141.80 and 244,445.40

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Solution

The fourth proportional to 776,761.20, 1,165,141.80 and 244,445.40 is: 366,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,761.20 : 1,165,141.80 = 244,445.40 : x
  2. Step 2: Convert to fraction form
    776,761.20/1,165,141.80 = 244,445.40/x
  3. Step 3: Cross multiply
    776,761.20x = 1,165,141.80 × 244,445.40
  4. Step 4: Simplify right side
    776,761.20x = 284,813,553,357.72
  5. Step 5: Solve for x
    x = 284,813,553,357.72/776,761.20
  6. Step 6: Final answer
    x = 366,668.10

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1.5x scale

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.