Home / 754,028.64-1,040,566.88-409,866.08

Finding the Fourth Proportional to 754,028.64, 1,040,566.88 and 409,866.08

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Solution

The fourth proportional to 754,028.64, 1,040,566.88 and 409,866.08 is: 565,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,028.64 : 1,040,566.88 = 409,866.08 : x
  2. Step 2: Convert to fraction form
    754,028.64/1,040,566.88 = 409,866.08/x
  3. Step 3: Cross multiply
    754,028.64x = 1,040,566.88 × 409,866.08
  4. Step 4: Simplify right side
    754,028.64x = 426,493,068,083.43
  5. Step 5: Solve for x
    x = 426,493,068,083.43/754,028.64
  6. Step 6: Final answer
    x = 565,619.19

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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.