Home / 940,118.40-1,410,404.40-308,998.80

Finding the Fourth Proportional to 940,118.40, 1,410,404.40 and 308,998.80

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Solution

The fourth proportional to 940,118.40, 1,410,404.40 and 308,998.80 is: 463,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,118.40 : 1,410,404.40 = 308,998.80 : x
  2. Step 2: Convert to fraction form
    940,118.40/1,410,404.40 = 308,998.80/x
  3. Step 3: Cross multiply
    940,118.40x = 1,410,404.40 × 308,998.80
  4. Step 4: Simplify right side
    940,118.40x = 435,813,267,114.72
  5. Step 5: Solve for x
    x = 435,813,267,114.72/940,118.40
  6. Step 6: Final answer
    x = 463,572.74

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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.