Home / 980,446.92-1,352,806.84-572,363.56

Finding the Fourth Proportional to 980,446.92, 1,352,806.84 and 572,363.56

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Solution

The fourth proportional to 980,446.92, 1,352,806.84 and 572,363.56 is: 789,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,446.92 : 1,352,806.84 = 572,363.56 : x
  2. Step 2: Convert to fraction form
    980,446.92/1,352,806.84 = 572,363.56/x
  3. Step 3: Cross multiply
    980,446.92x = 1,352,806.84 × 572,363.56
  4. Step 4: Simplify right side
    980,446.92x = 774,297,338,934.75
  5. Step 5: Solve for x
    x = 774,297,338,934.75/980,446.92
  6. Step 6: Final answer
    x = 789,739.17

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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.