Home / 659,834.78-989,554.73-344,119.46

Finding the Fourth Proportional to 659,834.78, 989,554.73 and 344,119.46

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Solution

The fourth proportional to 659,834.78, 989,554.73 and 344,119.46 is: 516,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,834.78 : 989,554.73 = 344,119.46 : x
  2. Step 2: Convert to fraction form
    659,834.78/989,554.73 = 344,119.46/x
  3. Step 3: Cross multiply
    659,834.78x = 989,554.73 × 344,119.46
  4. Step 4: Simplify right side
    659,834.78x = 340,525,032,659.68
  5. Step 5: Solve for x
    x = 340,525,032,659.68/659,834.78
  6. Step 6: Final answer
    x = 516,076.21

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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.