Home / 661,989.60-992,712.24-262,575.36

Finding the Fourth Proportional to 661,989.60, 992,712.24 and 262,575.36

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Solution

The fourth proportional to 661,989.60, 992,712.24 and 262,575.36 is: 393,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,989.60 : 992,712.24 = 262,575.36 : x
  2. Step 2: Convert to fraction form
    661,989.60/992,712.24 = 262,575.36/x
  3. Step 3: Cross multiply
    661,989.60x = 992,712.24 × 262,575.36
  4. Step 4: Simplify right side
    661,989.60x = 260,661,773,794.41
  5. Step 5: Solve for x
    x = 260,661,773,794.41/661,989.60
  6. Step 6: Final answer
    x = 393,755.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.