Home / 840,908.68-1,261,317.79-414,018.94

Finding the Fourth Proportional to 840,908.68, 1,261,317.79 and 414,018.94

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Solution

The fourth proportional to 840,908.68, 1,261,317.79 and 414,018.94 is: 621,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,908.68 : 1,261,317.79 = 414,018.94 : x
  2. Step 2: Convert to fraction form
    840,908.68/1,261,317.79 = 414,018.94/x
  3. Step 3: Cross multiply
    840,908.68x = 1,261,317.79 × 414,018.94
  4. Step 4: Simplify right side
    840,908.68x = 522,209,450,230.60
  5. Step 5: Solve for x
    x = 522,209,450,230.60/840,908.68
  6. Step 6: Final answer
    x = 621,006.14

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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.