Home / 893,944.24-1,340,030.64-419,780.80

Finding the Fourth Proportional to 893,944.24, 1,340,030.64 and 419,780.80

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Solution

The fourth proportional to 893,944.24, 1,340,030.64 and 419,780.80 is: 629,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,944.24 : 1,340,030.64 = 419,780.80 : x
  2. Step 2: Convert to fraction form
    893,944.24/1,340,030.64 = 419,780.80/x
  3. Step 3: Cross multiply
    893,944.24x = 1,340,030.64 × 419,780.80
  4. Step 4: Simplify right side
    893,944.24x = 562,519,134,083.71
  5. Step 5: Solve for x
    x = 562,519,134,083.71/893,944.24
  6. Step 6: Final answer
    x = 629,255.28

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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.