Home / 598,866.81-826,434.25-326,938.06

Finding the Fourth Proportional to 598,866.81, 826,434.25 and 326,938.06

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Solution

The fourth proportional to 598,866.81, 826,434.25 and 326,938.06 is: 451,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,866.81 : 826,434.25 = 326,938.06 : x
  2. Step 2: Convert to fraction form
    598,866.81/826,434.25 = 326,938.06/x
  3. Step 3: Cross multiply
    598,866.81x = 826,434.25 × 326,938.06
  4. Step 4: Simplify right side
    598,866.81x = 270,192,810,412.56
  5. Step 5: Solve for x
    x = 270,192,810,412.56/598,866.81
  6. Step 6: Final answer
    x = 451,173.46

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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.