Home / 617,283.36-851,884.16-345,335.04

Finding the Fourth Proportional to 617,283.36, 851,884.16 and 345,335.04

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Solution

The fourth proportional to 617,283.36, 851,884.16 and 345,335.04 is: 476,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,283.36 : 851,884.16 = 345,335.04 : x
  2. Step 2: Convert to fraction form
    617,283.36/851,884.16 = 345,335.04/x
  3. Step 3: Cross multiply
    617,283.36x = 851,884.16 × 345,335.04
  4. Step 4: Simplify right side
    617,283.36x = 294,185,448,742.29
  5. Step 5: Solve for x
    x = 294,185,448,742.29/617,283.36
  6. Step 6: Final answer
    x = 476,580.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.