Home / 855,574.20-1,180,797.92-488,141.80

Finding the Fourth Proportional to 855,574.20, 1,180,797.92 and 488,141.80

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Solution

The fourth proportional to 855,574.20, 1,180,797.92 and 488,141.80 is: 673,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,574.20 : 1,180,797.92 = 488,141.80 : x
  2. Step 2: Convert to fraction form
    855,574.20/1,180,797.92 = 488,141.80/x
  3. Step 3: Cross multiply
    855,574.20x = 1,180,797.92 × 488,141.80
  4. Step 4: Simplify right side
    855,574.20x = 576,396,822,105.06
  5. Step 5: Solve for x
    x = 576,396,822,105.06/855,574.20
  6. Step 6: Final answer
    x = 673,695.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.