Home / 847,136.88-1,270,705.73-531,815.22

Finding the Fourth Proportional to 847,136.88, 1,270,705.73 and 531,815.22

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Solution

The fourth proportional to 847,136.88, 1,270,705.73 and 531,815.22 is: 797,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,136.88 : 1,270,705.73 = 531,815.22 : x
  2. Step 2: Convert to fraction form
    847,136.88/1,270,705.73 = 531,815.22/x
  3. Step 3: Cross multiply
    847,136.88x = 1,270,705.73 × 531,815.22
  4. Step 4: Simplify right side
    847,136.88x = 675,780,644,696.14
  5. Step 5: Solve for x
    x = 675,780,644,696.14/847,136.88
  6. Step 6: Final answer
    x = 797,723.08

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1.5x scale

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.