Home / 800,069.63-1,103,575.87-513,135.23

Finding the Fourth Proportional to 800,069.63, 1,103,575.87 and 513,135.23

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Solution

The fourth proportional to 800,069.63, 1,103,575.87 and 513,135.23 is: 707,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,069.63 : 1,103,575.87 = 513,135.23 : x
  2. Step 2: Convert to fraction form
    800,069.63/1,103,575.87 = 513,135.23/x
  3. Step 3: Cross multiply
    800,069.63x = 1,103,575.87 × 513,135.23
  4. Step 4: Simplify right side
    800,069.63x = 566,283,657,874.90
  5. Step 5: Solve for x
    x = 566,283,657,874.90/800,069.63
  6. Step 6: Final answer
    x = 707,792.97

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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.