Home / 659,161.56-909,667.45-372,664.56

Finding the Fourth Proportional to 659,161.56, 909,667.45 and 372,664.56

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Solution

The fourth proportional to 659,161.56, 909,667.45 and 372,664.56 is: 514,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,161.56 : 909,667.45 = 372,664.56 : x
  2. Step 2: Convert to fraction form
    659,161.56/909,667.45 = 372,664.56/x
  3. Step 3: Cross multiply
    659,161.56x = 909,667.45 × 372,664.56
  4. Step 4: Simplify right side
    659,161.56x = 339,000,815,863.08
  5. Step 5: Solve for x
    x = 339,000,815,863.08/659,161.56
  6. Step 6: Final answer
    x = 514,290.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.