Home / 659,327.75-988,936.94-210,030.47

Finding the Fourth Proportional to 659,327.75, 988,936.94 and 210,030.47

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Solution

The fourth proportional to 659,327.75, 988,936.94 and 210,030.47 is: 315,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,327.75 : 988,936.94 = 210,030.47 : x
  2. Step 2: Convert to fraction form
    659,327.75/988,936.94 = 210,030.47/x
  3. Step 3: Cross multiply
    659,327.75x = 988,936.94 × 210,030.47
  4. Step 4: Simplify right side
    659,327.75x = 207,706,884,313.73
  5. Step 5: Solve for x
    x = 207,706,884,313.73/659,327.75
  6. Step 6: Final answer
    x = 315,028.28

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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.