Home / 840,297.28-1,260,991.20-503,083.84

Finding the Fourth Proportional to 840,297.28, 1,260,991.20 and 503,083.84

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Solution

The fourth proportional to 840,297.28, 1,260,991.20 and 503,083.84 is: 754,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,297.28 : 1,260,991.20 = 503,083.84 : x
  2. Step 2: Convert to fraction form
    840,297.28/1,260,991.20 = 503,083.84/x
  3. Step 3: Cross multiply
    840,297.28x = 1,260,991.20 × 503,083.84
  4. Step 4: Simplify right side
    840,297.28x = 634,384,295,102.21
  5. Step 5: Solve for x
    x = 634,384,295,102.21/840,297.28
  6. Step 6: Final answer
    x = 754,952.22

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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.