Home / 855,348.20-1,283,022.30-656,282.60

Finding the Fourth Proportional to 855,348.20, 1,283,022.30 and 656,282.60

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Solution

The fourth proportional to 855,348.20, 1,283,022.30 and 656,282.60 is: 984,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,348.20 : 1,283,022.30 = 656,282.60 : x
  2. Step 2: Convert to fraction form
    855,348.20/1,283,022.30 = 656,282.60/x
  3. Step 3: Cross multiply
    855,348.20x = 1,283,022.30 × 656,282.60
  4. Step 4: Simplify right side
    855,348.20x = 842,025,210,901.98
  5. Step 5: Solve for x
    x = 842,025,210,901.98/855,348.20
  6. Step 6: Final answer
    x = 984,423.90

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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.