Home / 753,888.67-1,040,374.42-409,724.58

Finding the Fourth Proportional to 753,888.67, 1,040,374.42 and 409,724.58

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Solution

The fourth proportional to 753,888.67, 1,040,374.42 and 409,724.58 is: 565,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,888.67 : 1,040,374.42 = 409,724.58 : x
  2. Step 2: Convert to fraction form
    753,888.67/1,040,374.42 = 409,724.58/x
  3. Step 3: Cross multiply
    753,888.67x = 1,040,374.42 × 409,724.58
  4. Step 4: Simplify right side
    753,888.67x = 426,266,972,277.24
  5. Step 5: Solve for x
    x = 426,266,972,277.24/753,888.67
  6. Step 6: Final answer
    x = 565,424.30

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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.