Home / 858,829.80-1,288,244.70-605,575.20

Finding the Fourth Proportional to 858,829.80, 1,288,244.70 and 605,575.20

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Solution

The fourth proportional to 858,829.80, 1,288,244.70 and 605,575.20 is: 908,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,829.80 : 1,288,244.70 = 605,575.20 : x
  2. Step 2: Convert to fraction form
    858,829.80/1,288,244.70 = 605,575.20/x
  3. Step 3: Cross multiply
    858,829.80x = 1,288,244.70 × 605,575.20
  4. Step 4: Simplify right side
    858,829.80x = 780,129,041,851.44
  5. Step 5: Solve for x
    x = 780,129,041,851.44/858,829.80
  6. Step 6: Final answer
    x = 908,362.80

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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.