Home / 808,617.80-1,212,926.70-247,579.40

Finding the Fourth Proportional to 808,617.80, 1,212,926.70 and 247,579.40

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Solution

The fourth proportional to 808,617.80, 1,212,926.70 and 247,579.40 is: 371,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,617.80 : 1,212,926.70 = 247,579.40 : x
  2. Step 2: Convert to fraction form
    808,617.80/1,212,926.70 = 247,579.40/x
  3. Step 3: Cross multiply
    808,617.80x = 1,212,926.70 × 247,579.40
  4. Step 4: Simplify right side
    808,617.80x = 300,295,664,629.98
  5. Step 5: Solve for x
    x = 300,295,664,629.98/808,617.80
  6. Step 6: Final answer
    x = 371,369.10

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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.