Home / 880,302.62-1,214,321.15-512,736.44

Finding the Fourth Proportional to 880,302.62, 1,214,321.15 and 512,736.44

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Solution

The fourth proportional to 880,302.62, 1,214,321.15 and 512,736.44 is: 707,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,302.62 : 1,214,321.15 = 512,736.44 : x
  2. Step 2: Convert to fraction form
    880,302.62/1,214,321.15 = 512,736.44/x
  3. Step 3: Cross multiply
    880,302.62x = 1,214,321.15 × 512,736.44
  4. Step 4: Simplify right side
    880,302.62x = 622,626,694,832.42
  5. Step 5: Solve for x
    x = 622,626,694,832.42/880,302.62
  6. Step 6: Final answer
    x = 707,287.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.