Home / 808,798.44-1,212,213.78-572,209.32

Finding the Fourth Proportional to 808,798.44, 1,212,213.78 and 572,209.32

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Solution

The fourth proportional to 808,798.44, 1,212,213.78 and 572,209.32 is: 857,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,798.44 : 1,212,213.78 = 572,209.32 : x
  2. Step 2: Convert to fraction form
    808,798.44/1,212,213.78 = 572,209.32/x
  3. Step 3: Cross multiply
    808,798.44x = 1,212,213.78 × 572,209.32
  4. Step 4: Simplify right side
    808,798.44x = 693,640,022,748.43
  5. Step 5: Solve for x
    x = 693,640,022,748.43/808,798.44
  6. Step 6: Final answer
    x = 857,617.90

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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.