Home / 813,928.16-1,221,433.68-334,549.04

Finding the Fourth Proportional to 813,928.16, 1,221,433.68 and 334,549.04

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Solution

The fourth proportional to 813,928.16, 1,221,433.68 and 334,549.04 is: 502,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,928.16 : 1,221,433.68 = 334,549.04 : x
  2. Step 2: Convert to fraction form
    813,928.16/1,221,433.68 = 334,549.04/x
  3. Step 3: Cross multiply
    813,928.16x = 1,221,433.68 × 334,549.04
  4. Step 4: Simplify right side
    813,928.16x = 408,629,465,067.67
  5. Step 5: Solve for x
    x = 408,629,465,067.67/813,928.16
  6. Step 6: Final answer
    x = 502,046.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.