Home / 728,405.12-1,092,607.76-229,808

Finding the Fourth Proportional to 728,405.12, 1,092,607.76 and 229,808

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Solution

The fourth proportional to 728,405.12, 1,092,607.76 and 229,808 is: 344,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,405.12 : 1,092,607.76 = 229,808 : x
  2. Step 2: Convert to fraction form
    728,405.12/1,092,607.76 = 229,808/x
  3. Step 3: Cross multiply
    728,405.12x = 1,092,607.76 × 229,808
  4. Step 4: Simplify right side
    728,405.12x = 251,090,004,110.08
  5. Step 5: Solve for x
    x = 251,090,004,110.08/728,405.12
  6. Step 6: Final answer
    x = 344,712.03

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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.