Home / 757,486.20-1,136,626.74-284,498.04

Finding the Fourth Proportional to 757,486.20, 1,136,626.74 and 284,498.04

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Solution

The fourth proportional to 757,486.20, 1,136,626.74 and 284,498.04 is: 426,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,486.20 : 1,136,626.74 = 284,498.04 : x
  2. Step 2: Convert to fraction form
    757,486.20/1,136,626.74 = 284,498.04/x
  3. Step 3: Cross multiply
    757,486.20x = 1,136,626.74 × 284,498.04
  4. Step 4: Simplify right side
    757,486.20x = 323,368,079,741.59
  5. Step 5: Solve for x
    x = 323,368,079,741.59/757,486.20
  6. Step 6: Final answer
    x = 426,896.33

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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.