Home / 458,102.04-632,786.94-381,870.60

Finding the Fourth Proportional to 458,102.04, 632,786.94 and 381,870.60

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Solution

The fourth proportional to 458,102.04, 632,786.94 and 381,870.60 is: 527,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,102.04 : 632,786.94 = 381,870.60 : x
  2. Step 2: Convert to fraction form
    458,102.04/632,786.94 = 381,870.60/x
  3. Step 3: Cross multiply
    458,102.04x = 632,786.94 × 381,870.60
  4. Step 4: Simplify right side
    458,102.04x = 241,642,728,449.96
  5. Step 5: Solve for x
    x = 241,642,728,449.96/458,102.04
  6. Step 6: Final answer
    x = 527,486.69

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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.