Home / 657,788.64-907,748.37-355,982.64

Finding the Fourth Proportional to 657,788.64, 907,748.37 and 355,982.64

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Solution

The fourth proportional to 657,788.64, 907,748.37 and 355,982.64 is: 491,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,788.64 : 907,748.37 = 355,982.64 : x
  2. Step 2: Convert to fraction form
    657,788.64/907,748.37 = 355,982.64/x
  3. Step 3: Cross multiply
    657,788.64x = 907,748.37 × 355,982.64
  4. Step 4: Simplify right side
    657,788.64x = 323,142,661,208.30
  5. Step 5: Solve for x
    x = 323,142,661,208.30/657,788.64
  6. Step 6: Final answer
    x = 491,256.07

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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.