Home / 728,965.68-1,092,562.01-515,795.02

Finding the Fourth Proportional to 728,965.68, 1,092,562.01 and 515,795.02

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Solution

The fourth proportional to 728,965.68, 1,092,562.01 and 515,795.02 is: 773,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,965.68 : 1,092,562.01 = 515,795.02 : x
  2. Step 2: Convert to fraction form
    728,965.68/1,092,562.01 = 515,795.02/x
  3. Step 3: Cross multiply
    728,965.68x = 1,092,562.01 × 515,795.02
  4. Step 4: Simplify right side
    728,965.68x = 563,538,043,799.19
  5. Step 5: Solve for x
    x = 563,538,043,799.19/728,965.68
  6. Step 6: Final answer
    x = 773,065.26

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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.