Home / 724,296.30-1,086,250.05-303,485.10

Finding the Fourth Proportional to 724,296.30, 1,086,250.05 and 303,485.10

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Solution

The fourth proportional to 724,296.30, 1,086,250.05 and 303,485.10 is: 455,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,296.30 : 1,086,250.05 = 303,485.10 : x
  2. Step 2: Convert to fraction form
    724,296.30/1,086,250.05 = 303,485.10/x
  3. Step 3: Cross multiply
    724,296.30x = 1,086,250.05 × 303,485.10
  4. Step 4: Simplify right side
    724,296.30x = 329,660,705,049.26
  5. Step 5: Solve for x
    x = 329,660,705,049.26/724,296.30
  6. Step 6: Final answer
    x = 455,146.20

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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.