Home / 877,230.80-1,315,846.20-667,278.80

Finding the Fourth Proportional to 877,230.80, 1,315,846.20 and 667,278.80

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Solution

The fourth proportional to 877,230.80, 1,315,846.20 and 667,278.80 is: 1,000,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,230.80 : 1,315,846.20 = 667,278.80 : x
  2. Step 2: Convert to fraction form
    877,230.80/1,315,846.20 = 667,278.80/x
  3. Step 3: Cross multiply
    877,230.80x = 1,315,846.20 × 667,278.80
  4. Step 4: Simplify right side
    877,230.80x = 878,036,273,320.56
  5. Step 5: Solve for x
    x = 878,036,273,320.56/877,230.80
  6. Step 6: Final answer
    x = 1,000,918.20

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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.