Home / 855,339.20-1,283,008.80-656,273.60

Finding the Fourth Proportional to 855,339.20, 1,283,008.80 and 656,273.60

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Solution

The fourth proportional to 855,339.20, 1,283,008.80 and 656,273.60 is: 984,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,339.20 : 1,283,008.80 = 656,273.60 : x
  2. Step 2: Convert to fraction form
    855,339.20/1,283,008.80 = 656,273.60/x
  3. Step 3: Cross multiply
    855,339.20x = 1,283,008.80 × 656,273.60
  4. Step 4: Simplify right side
    855,339.20x = 842,004,804,007.68
  5. Step 5: Solve for x
    x = 842,004,804,007.68/855,339.20
  6. Step 6: Final answer
    x = 984,410.40

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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.