Home / 683,136.30-1,024,704.45-328,064.70

Finding the Fourth Proportional to 683,136.30, 1,024,704.45 and 328,064.70

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Solution

The fourth proportional to 683,136.30, 1,024,704.45 and 328,064.70 is: 492,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,136.30 : 1,024,704.45 = 328,064.70 : x
  2. Step 2: Convert to fraction form
    683,136.30/1,024,704.45 = 328,064.70/x
  3. Step 3: Cross multiply
    683,136.30x = 1,024,704.45 × 328,064.70
  4. Step 4: Simplify right side
    683,136.30x = 336,169,357,977.92
  5. Step 5: Solve for x
    x = 336,169,357,977.92/683,136.30
  6. Step 6: Final answer
    x = 492,097.05

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Similar ratio
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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.