Home / 462,747.30-638,586.75-258,795.90

Finding the Fourth Proportional to 462,747.30, 638,586.75 and 258,795.90

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Solution

The fourth proportional to 462,747.30, 638,586.75 and 258,795.90 is: 357,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,747.30 : 638,586.75 = 258,795.90 : x
  2. Step 2: Convert to fraction form
    462,747.30/638,586.75 = 258,795.90/x
  3. Step 3: Cross multiply
    462,747.30x = 638,586.75 × 258,795.90
  4. Step 4: Simplify right side
    462,747.30x = 165,263,632,694.33
  5. Step 5: Solve for x
    x = 165,263,632,694.33/462,747.30
  6. Step 6: Final answer
    x = 357,135.81

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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.