Home / 891,892.92-1,338,043.66-386,538.66

Finding the Fourth Proportional to 891,892.92, 1,338,043.66 and 386,538.66

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Solution

The fourth proportional to 891,892.92, 1,338,043.66 and 386,538.66 is: 579,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,892.92 : 1,338,043.66 = 386,538.66 : x
  2. Step 2: Convert to fraction form
    891,892.92/1,338,043.66 = 386,538.66/x
  3. Step 3: Cross multiply
    891,892.92x = 1,338,043.66 × 386,538.66
  4. Step 4: Simplify right side
    891,892.92x = 517,205,603,357.90
  5. Step 5: Solve for x
    x = 517,205,603,357.90/891,892.92
  6. Step 6: Final answer
    x = 579,896.52

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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.