Home / 851,456.14-1,275,738.96-513,787.29

Finding the Fourth Proportional to 851,456.14, 1,275,738.96 and 513,787.29

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Solution

The fourth proportional to 851,456.14, 1,275,738.96 and 513,787.29 is: 769,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,456.14 : 1,275,738.96 = 513,787.29 : x
  2. Step 2: Convert to fraction form
    851,456.14/1,275,738.96 = 513,787.29/x
  3. Step 3: Cross multiply
    851,456.14x = 1,275,738.96 × 513,787.29
  4. Step 4: Simplify right side
    851,456.14x = 655,458,460,148.50
  5. Step 5: Solve for x
    x = 655,458,460,148.50/851,456.14
  6. Step 6: Final answer
    x = 769,808.84

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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.