Home / 724,982.40-1,000,523.52-438,514.56

Finding the Fourth Proportional to 724,982.40, 1,000,523.52 and 438,514.56

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Solution

The fourth proportional to 724,982.40, 1,000,523.52 and 438,514.56 is: 605,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,982.40 : 1,000,523.52 = 438,514.56 : x
  2. Step 2: Convert to fraction form
    724,982.40/1,000,523.52 = 438,514.56/x
  3. Step 3: Cross multiply
    724,982.40x = 1,000,523.52 × 438,514.56
  4. Step 4: Simplify right side
    724,982.40x = 438,744,131,142.45
  5. Step 5: Solve for x
    x = 438,744,131,142.45/724,982.40
  6. Step 6: Final answer
    x = 605,179.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.