Home / 754,088.97-1,040,662.94-409,947.98

Finding the Fourth Proportional to 754,088.97, 1,040,662.94 and 409,947.98

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Solution

The fourth proportional to 754,088.97, 1,040,662.94 and 409,947.98 is: 565,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,088.97 : 1,040,662.94 = 409,947.98 : x
  2. Step 2: Convert to fraction form
    754,088.97/1,040,662.94 = 409,947.98/x
  3. Step 3: Cross multiply
    754,088.97x = 1,040,662.94 × 409,947.98
  4. Step 4: Simplify right side
    754,088.97x = 426,617,662,860.81
  5. Step 5: Solve for x
    x = 426,617,662,860.81/754,088.97
  6. Step 6: Final answer
    x = 565,739.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.