Home / 809,300.80-1,215,263.40-586,226.80

Finding the Fourth Proportional to 809,300.80, 1,215,263.40 and 586,226.80

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Solution

The fourth proportional to 809,300.80, 1,215,263.40 and 586,226.80 is: 880,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,300.80 : 1,215,263.40 = 586,226.80 : x
  2. Step 2: Convert to fraction form
    809,300.80/1,215,263.40 = 586,226.80/x
  3. Step 3: Cross multiply
    809,300.80x = 1,215,263.40 × 586,226.80
  4. Step 4: Simplify right side
    809,300.80x = 712,419,974,139.12
  5. Step 5: Solve for x
    x = 712,419,974,139.12/809,300.80
  6. Step 6: Final answer
    x = 880,290.71

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1.5x scale

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.