Home / 807,510.80-1,211,266.20-491,805.20

Finding the Fourth Proportional to 807,510.80, 1,211,266.20 and 491,805.20

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Solution

The fourth proportional to 807,510.80, 1,211,266.20 and 491,805.20 is: 737,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,510.80 : 1,211,266.20 = 491,805.20 : x
  2. Step 2: Convert to fraction form
    807,510.80/1,211,266.20 = 491,805.20/x
  3. Step 3: Cross multiply
    807,510.80x = 1,211,266.20 × 491,805.20
  4. Step 4: Simplify right side
    807,510.80x = 595,707,015,744.24
  5. Step 5: Solve for x
    x = 595,707,015,744.24/807,510.80
  6. Step 6: Final answer
    x = 737,707.80

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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.