Home / 925,854.49-1,388,641.38-251,988.28

Finding the Fourth Proportional to 925,854.49, 1,388,641.38 and 251,988.28

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Solution

The fourth proportional to 925,854.49, 1,388,641.38 and 251,988.28 is: 377,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,854.49 : 1,388,641.38 = 251,988.28 : x
  2. Step 2: Convert to fraction form
    925,854.49/1,388,641.38 = 251,988.28/x
  3. Step 3: Cross multiply
    925,854.49x = 1,388,641.38 × 251,988.28
  4. Step 4: Simplify right side
    925,854.49x = 349,921,351,623.09
  5. Step 5: Solve for x
    x = 349,921,351,623.09/925,854.49
  6. Step 6: Final answer
    x = 377,944.22

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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.