Home / 893,473.20-1,338,285.24-419,448.24

Finding the Fourth Proportional to 893,473.20, 1,338,285.24 and 419,448.24

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Solution

The fourth proportional to 893,473.20, 1,338,285.24 and 419,448.24 is: 628,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,473.20 : 1,338,285.24 = 419,448.24 : x
  2. Step 2: Convert to fraction form
    893,473.20/1,338,285.24 = 419,448.24/x
  3. Step 3: Cross multiply
    893,473.20x = 1,338,285.24 × 419,448.24
  4. Step 4: Simplify right side
    893,473.20x = 561,341,388,535.98
  5. Step 5: Solve for x
    x = 561,341,388,535.98/893,473.20
  6. Step 6: Final answer
    x = 628,268.86

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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.