Home / 465,379.13-642,282.59-284,052.26

Finding the Fourth Proportional to 465,379.13, 642,282.59 and 284,052.26

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Solution

The fourth proportional to 465,379.13, 642,282.59 and 284,052.26 is: 392,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,379.13 : 642,282.59 = 284,052.26 : x
  2. Step 2: Convert to fraction form
    465,379.13/642,282.59 = 284,052.26/x
  3. Step 3: Cross multiply
    465,379.13x = 642,282.59 × 284,052.26
  4. Step 4: Simplify right side
    465,379.13x = 182,441,819,827.89
  5. Step 5: Solve for x
    x = 182,441,819,827.89/465,379.13
  6. Step 6: Final answer
    x = 392,028.37

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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.