Home / 738,584.64-1,107,352.08-378,864

Finding the Fourth Proportional to 738,584.64, 1,107,352.08 and 378,864

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Solution

The fourth proportional to 738,584.64, 1,107,352.08 and 378,864 is: 568,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,584.64 : 1,107,352.08 = 378,864 : x
  2. Step 2: Convert to fraction form
    738,584.64/1,107,352.08 = 378,864/x
  3. Step 3: Cross multiply
    738,584.64x = 1,107,352.08 × 378,864
  4. Step 4: Simplify right side
    738,584.64x = 419,535,838,437.12
  5. Step 5: Solve for x
    x = 419,535,838,437.12/738,584.64
  6. Step 6: Final answer
    x = 568,026.76

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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.