Home / 728,412.52-1,092,750.24-222,964.36

Finding the Fourth Proportional to 728,412.52, 1,092,750.24 and 222,964.36

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Solution

The fourth proportional to 728,412.52, 1,092,750.24 and 222,964.36 is: 334,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,412.52 : 1,092,750.24 = 222,964.36 : x
  2. Step 2: Convert to fraction form
    728,412.52/1,092,750.24 = 222,964.36/x
  3. Step 3: Cross multiply
    728,412.52x = 1,092,750.24 × 222,964.36
  4. Step 4: Simplify right side
    728,412.52x = 243,644,357,901.45
  5. Step 5: Solve for x
    x = 243,644,357,901.45/728,412.52
  6. Step 6: Final answer
    x = 334,486.78

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1.5x scale

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.