Home / 941,072.31-1,298,687.72-511,352.49

Finding the Fourth Proportional to 941,072.31, 1,298,687.72 and 511,352.49

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Solution

The fourth proportional to 941,072.31, 1,298,687.72 and 511,352.49 is: 705,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,072.31 : 1,298,687.72 = 511,352.49 : x
  2. Step 2: Convert to fraction form
    941,072.31/1,298,687.72 = 511,352.49/x
  3. Step 3: Cross multiply
    941,072.31x = 1,298,687.72 × 511,352.49
  4. Step 4: Simplify right side
    941,072.31x = 664,087,201,667.74
  5. Step 5: Solve for x
    x = 664,087,201,667.74/941,072.31
  6. Step 6: Final answer
    x = 705,670.75

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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.