Home / 465,003.93-641,683.58-258,285.74

Finding the Fourth Proportional to 465,003.93, 641,683.58 and 258,285.74

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Solution

The fourth proportional to 465,003.93, 641,683.58 and 258,285.74 is: 356,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,003.93 : 641,683.58 = 258,285.74 : x
  2. Step 2: Convert to fraction form
    465,003.93/641,683.58 = 258,285.74/x
  3. Step 3: Cross multiply
    465,003.93x = 641,683.58 × 258,285.74
  4. Step 4: Simplify right side
    465,003.93x = 165,737,713,806.30
  5. Step 5: Solve for x
    x = 165,737,713,806.30/465,003.93
  6. Step 6: Final answer
    x = 356,422.18

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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.