Home / 728,406.60-1,092,722.37-248,521.92

Finding the Fourth Proportional to 728,406.60, 1,092,722.37 and 248,521.92

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Solution

The fourth proportional to 728,406.60, 1,092,722.37 and 248,521.92 is: 372,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,406.60 : 1,092,722.37 = 248,521.92 : x
  2. Step 2: Convert to fraction form
    728,406.60/1,092,722.37 = 248,521.92/x
  3. Step 3: Cross multiply
    728,406.60x = 1,092,722.37 × 248,521.92
  4. Step 4: Simplify right side
    728,406.60x = 271,565,461,419.35
  5. Step 5: Solve for x
    x = 271,565,461,419.35/728,406.60
  6. Step 6: Final answer
    x = 372,821.25

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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.