Home / 659,260.82-989,040.38-210,007.28

Finding the Fourth Proportional to 659,260.82, 989,040.38 and 210,007.28

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Solution

The fourth proportional to 659,260.82, 989,040.38 and 210,007.28 is: 315,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,260.82 : 989,040.38 = 210,007.28 : x
  2. Step 2: Convert to fraction form
    659,260.82/989,040.38 = 210,007.28/x
  3. Step 3: Cross multiply
    659,260.82x = 989,040.38 × 210,007.28
  4. Step 4: Simplify right side
    659,260.82x = 207,705,681,436.53
  5. Step 5: Solve for x
    x = 207,705,681,436.53/659,260.82
  6. Step 6: Final answer
    x = 315,058.43

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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.