Home / 724,817.40-1,086,837.30-303,617.40

Finding the Fourth Proportional to 724,817.40, 1,086,837.30 and 303,617.40

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Solution

The fourth proportional to 724,817.40, 1,086,837.30 and 303,617.40 is: 455,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,817.40 : 1,086,837.30 = 303,617.40 : x
  2. Step 2: Convert to fraction form
    724,817.40/1,086,837.30 = 303,617.40/x
  3. Step 3: Cross multiply
    724,817.40x = 1,086,837.30 × 303,617.40
  4. Step 4: Simplify right side
    724,817.40x = 329,982,715,249.02
  5. Step 5: Solve for x
    x = 329,982,715,249.02/724,817.40
  6. Step 6: Final answer
    x = 455,263.24

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Half scale
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Double scale
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Similar ratio
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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.