Home / 851,541.48-1,275,866.70-513,872.70

Finding the Fourth Proportional to 851,541.48, 1,275,866.70 and 513,872.70

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Solution

The fourth proportional to 851,541.48, 1,275,866.70 and 513,872.70 is: 769,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,541.48 : 1,275,866.70 = 513,872.70 : x
  2. Step 2: Convert to fraction form
    851,541.48/1,275,866.70 = 513,872.70/x
  3. Step 3: Cross multiply
    851,541.48x = 1,275,866.70 × 513,872.70
  4. Step 4: Simplify right side
    851,541.48x = 655,633,065,969.09
  5. Step 5: Solve for x
    x = 655,633,065,969.09/851,541.48
  6. Step 6: Final answer
    x = 769,936.73

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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.