Home / 458,079.05-631,886.44-285,697.73

Finding the Fourth Proportional to 458,079.05, 631,886.44 and 285,697.73

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Solution

The fourth proportional to 458,079.05, 631,886.44 and 285,697.73 is: 394,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,079.05 : 631,886.44 = 285,697.73 : x
  2. Step 2: Convert to fraction form
    458,079.05/631,886.44 = 285,697.73/x
  3. Step 3: Cross multiply
    458,079.05x = 631,886.44 × 285,697.73
  4. Step 4: Simplify right side
    458,079.05x = 180,528,523,462.62
  5. Step 5: Solve for x
    x = 180,528,523,462.62/458,079.05
  6. Step 6: Final answer
    x = 394,099.07

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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.