Home / 980,441.80-1,352,799.80-572,358.44

Finding the Fourth Proportional to 980,441.80, 1,352,799.80 and 572,358.44

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Solution

The fourth proportional to 980,441.80, 1,352,799.80 and 572,358.44 is: 789,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,441.80 : 1,352,799.80 = 572,358.44 : x
  2. Step 2: Convert to fraction form
    980,441.80/1,352,799.80 = 572,358.44/x
  3. Step 3: Cross multiply
    980,441.80x = 1,352,799.80 × 572,358.44
  4. Step 4: Simplify right side
    980,441.80x = 774,286,383,160.31
  5. Step 5: Solve for x
    x = 774,286,383,160.31/980,441.80
  6. Step 6: Final answer
    x = 789,732.12

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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.