Home / 659,199.25-909,669.75-372,725.34

Finding the Fourth Proportional to 659,199.25, 909,669.75 and 372,725.34

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Solution

The fourth proportional to 659,199.25, 909,669.75 and 372,725.34 is: 514,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,199.25 : 909,669.75 = 372,725.34 : x
  2. Step 2: Convert to fraction form
    659,199.25/909,669.75 = 372,725.34/x
  3. Step 3: Cross multiply
    659,199.25x = 909,669.75 × 372,725.34
  4. Step 4: Simplify right side
    659,199.25x = 339,056,966,856.47
  5. Step 5: Solve for x
    x = 339,056,966,856.47/659,199.25
  6. Step 6: Final answer
    x = 514,346.71

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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.