Home / 800,070.63-1,103,577.25-513,136.23

Finding the Fourth Proportional to 800,070.63, 1,103,577.25 and 513,136.23

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Solution

The fourth proportional to 800,070.63, 1,103,577.25 and 513,136.23 is: 707,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,070.63 : 1,103,577.25 = 513,136.23 : x
  2. Step 2: Convert to fraction form
    800,070.63/1,103,577.25 = 513,136.23/x
  3. Step 3: Cross multiply
    800,070.63x = 1,103,577.25 × 513,136.23
  4. Step 4: Simplify right side
    800,070.63x = 566,285,469,578.77
  5. Step 5: Solve for x
    x = 566,285,469,578.77/800,070.63
  6. Step 6: Final answer
    x = 707,794.35

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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.