Home / 726,857.20-1,091,322.60-550,601.20

Finding the Fourth Proportional to 726,857.20, 1,091,322.60 and 550,601.20

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Solution

The fourth proportional to 726,857.20, 1,091,322.60 and 550,601.20 is: 826,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,857.20 : 1,091,322.60 = 550,601.20 : x
  2. Step 2: Convert to fraction form
    726,857.20/1,091,322.60 = 550,601.20/x
  3. Step 3: Cross multiply
    726,857.20x = 1,091,322.60 × 550,601.20
  4. Step 4: Simplify right side
    726,857.20x = 600,883,533,147.12
  5. Step 5: Solve for x
    x = 600,883,533,147.12/726,857.20
  6. Step 6: Final answer
    x = 826,687.19

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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.