Home / 724,809.40-1,086,825.30-303,609.40

Finding the Fourth Proportional to 724,809.40, 1,086,825.30 and 303,609.40

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Solution

The fourth proportional to 724,809.40, 1,086,825.30 and 303,609.40 is: 455,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,809.40 : 1,086,825.30 = 303,609.40 : x
  2. Step 2: Convert to fraction form
    724,809.40/1,086,825.30 = 303,609.40/x
  3. Step 3: Cross multiply
    724,809.40x = 1,086,825.30 × 303,609.40
  4. Step 4: Simplify right side
    724,809.40x = 329,970,377,237.82
  5. Step 5: Solve for x
    x = 329,970,377,237.82/724,809.40
  6. Step 6: Final answer
    x = 455,251.24

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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.