Home / 980,441.31-1,352,799.12-572,357.94

Finding the Fourth Proportional to 980,441.31, 1,352,799.12 and 572,357.94

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Solution

The fourth proportional to 980,441.31, 1,352,799.12 and 572,357.94 is: 789,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,441.31 : 1,352,799.12 = 572,357.94 : x
  2. Step 2: Convert to fraction form
    980,441.31/1,352,799.12 = 572,357.94/x
  3. Step 3: Cross multiply
    980,441.31x = 1,352,799.12 × 572,357.94
  4. Step 4: Simplify right side
    980,441.31x = 774,285,317,557.01
  5. Step 5: Solve for x
    x = 774,285,317,557.01/980,441.31
  6. Step 6: Final answer
    x = 789,731.43

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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.