Home / 1,038,231.78-1,557,338.49-328,260.30

Finding the Fourth Proportional to 1,038,231.78, 1,557,338.49 and 328,260.30

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Solution

The fourth proportional to 1,038,231.78, 1,557,338.49 and 328,260.30 is: 492,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,231.78 : 1,557,338.49 = 328,260.30 : x
  2. Step 2: Convert to fraction form
    1,038,231.78/1,557,338.49 = 328,260.30/x
  3. Step 3: Cross multiply
    1,038,231.78x = 1,557,338.49 × 328,260.30
  4. Step 4: Simplify right side
    1,038,231.78x = 511,212,399,928.95
  5. Step 5: Solve for x
    x = 511,212,399,928.95/1,038,231.78
  6. Step 6: Final answer
    x = 492,387.55

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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.