Home / 807,583.80-1,211,375.70-491,878.20

Finding the Fourth Proportional to 807,583.80, 1,211,375.70 and 491,878.20

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Solution

The fourth proportional to 807,583.80, 1,211,375.70 and 491,878.20 is: 737,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,583.80 : 1,211,375.70 = 491,878.20 : x
  2. Step 2: Convert to fraction form
    807,583.80/1,211,375.70 = 491,878.20/x
  3. Step 3: Cross multiply
    807,583.80x = 1,211,375.70 × 491,878.20
  4. Step 4: Simplify right side
    807,583.80x = 595,849,298,839.74
  5. Step 5: Solve for x
    x = 595,849,298,839.74/807,583.80
  6. Step 6: Final answer
    x = 737,817.30

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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.