Home / 922,923.10-1,384,643.85-449,623.90

Finding the Fourth Proportional to 922,923.10, 1,384,643.85 and 449,623.90

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Solution

The fourth proportional to 922,923.10, 1,384,643.85 and 449,623.90 is: 674,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,923.10 : 1,384,643.85 = 449,623.90 : x
  2. Step 2: Convert to fraction form
    922,923.10/1,384,643.85 = 449,623.90/x
  3. Step 3: Cross multiply
    922,923.10x = 1,384,643.85 × 449,623.90
  4. Step 4: Simplify right side
    922,923.10x = 622,568,967,948.02
  5. Step 5: Solve for x
    x = 622,568,967,948.02/922,923.10
  6. Step 6: Final answer
    x = 674,562.13

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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.