Home / 897,257.88-1,345,679.34-266,019.48

Finding the Fourth Proportional to 897,257.88, 1,345,679.34 and 266,019.48

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Solution

The fourth proportional to 897,257.88, 1,345,679.34 and 266,019.48 is: 398,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,257.88 : 1,345,679.34 = 266,019.48 : x
  2. Step 2: Convert to fraction form
    897,257.88/1,345,679.34 = 266,019.48/x
  3. Step 3: Cross multiply
    897,257.88x = 1,345,679.34 × 266,019.48
  4. Step 4: Simplify right side
    897,257.88x = 357,976,918,273.54
  5. Step 5: Solve for x
    x = 357,976,918,273.54/897,257.88
  6. Step 6: Final answer
    x = 398,967.71

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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.