Home / 726,241.80-1,002,199.28-403,944.96

Finding the Fourth Proportional to 726,241.80, 1,002,199.28 and 403,944.96

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Solution

The fourth proportional to 726,241.80, 1,002,199.28 and 403,944.96 is: 557,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,241.80 : 1,002,199.28 = 403,944.96 : x
  2. Step 2: Convert to fraction form
    726,241.80/1,002,199.28 = 403,944.96/x
  3. Step 3: Cross multiply
    726,241.80x = 1,002,199.28 × 403,944.96
  4. Step 4: Simplify right side
    726,241.80x = 404,833,348,071.63
  5. Step 5: Solve for x
    x = 404,833,348,071.63/726,241.80
  6. Step 6: Final answer
    x = 557,436.03

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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.