Home / 808,771.59-1,213,113.63-247,807.71

Finding the Fourth Proportional to 808,771.59, 1,213,113.63 and 247,807.71

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Solution

The fourth proportional to 808,771.59, 1,213,113.63 and 247,807.71 is: 371,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,771.59 : 1,213,113.63 = 247,807.71 : x
  2. Step 2: Convert to fraction form
    808,771.59/1,213,113.63 = 247,807.71/x
  3. Step 3: Cross multiply
    808,771.59x = 1,213,113.63 × 247,807.71
  4. Step 4: Simplify right side
    808,771.59x = 300,618,910,620.09
  5. Step 5: Solve for x
    x = 300,618,910,620.09/808,771.59
  6. Step 6: Final answer
    x = 371,698.16

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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.