Home / 683,121.30-1,024,681.95-328,049.70

Finding the Fourth Proportional to 683,121.30, 1,024,681.95 and 328,049.70

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Solution

The fourth proportional to 683,121.30, 1,024,681.95 and 328,049.70 is: 492,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,121.30 : 1,024,681.95 = 328,049.70 : x
  2. Step 2: Convert to fraction form
    683,121.30/1,024,681.95 = 328,049.70/x
  3. Step 3: Cross multiply
    683,121.30x = 1,024,681.95 × 328,049.70
  4. Step 4: Simplify right side
    683,121.30x = 336,146,606,292.92
  5. Step 5: Solve for x
    x = 336,146,606,292.92/683,121.30
  6. Step 6: Final answer
    x = 492,074.55

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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.