Home / 891,642.94-1,337,183.74-292,464.78

Finding the Fourth Proportional to 891,642.94, 1,337,183.74 and 292,464.78

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Solution

The fourth proportional to 891,642.94, 1,337,183.74 and 292,464.78 is: 438,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,642.94 : 1,337,183.74 = 292,464.78 : x
  2. Step 2: Convert to fraction form
    891,642.94/1,337,183.74 = 292,464.78/x
  3. Step 3: Cross multiply
    891,642.94x = 1,337,183.74 × 292,464.78
  4. Step 4: Simplify right side
    891,642.94x = 391,079,143,689.82
  5. Step 5: Solve for x
    x = 391,079,143,689.82/891,642.94
  6. Step 6: Final answer
    x = 438,605.10

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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.