Home / 659,167.12-909,645.42-372,743.56

Finding the Fourth Proportional to 659,167.12, 909,645.42 and 372,743.56

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Solution

The fourth proportional to 659,167.12, 909,645.42 and 372,743.56 is: 514,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,167.12 : 909,645.42 = 372,743.56 : x
  2. Step 2: Convert to fraction form
    659,167.12/909,645.42 = 372,743.56/x
  3. Step 3: Cross multiply
    659,167.12x = 909,645.42 × 372,743.56
  4. Step 4: Simplify right side
    659,167.12x = 339,064,472,188.50
  5. Step 5: Solve for x
    x = 339,064,472,188.50/659,167.12
  6. Step 6: Final answer
    x = 514,383.17

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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.