Home / 724,691.21-1,086,699.31-268,965.06

Finding the Fourth Proportional to 724,691.21, 1,086,699.31 and 268,965.06

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Solution

The fourth proportional to 724,691.21, 1,086,699.31 and 268,965.06 is: 403,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,691.21 : 1,086,699.31 = 268,965.06 : x
  2. Step 2: Convert to fraction form
    724,691.21/1,086,699.31 = 268,965.06/x
  3. Step 3: Cross multiply
    724,691.21x = 1,086,699.31 × 268,965.06
  4. Step 4: Simplify right side
    724,691.21x = 292,284,140,368.57
  5. Step 5: Solve for x
    x = 292,284,140,368.57/724,691.21
  6. Step 6: Final answer
    x = 403,322.32

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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.