Home / 657,734.52-907,674.44-355,928.52

Finding the Fourth Proportional to 657,734.52, 907,674.44 and 355,928.52

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Solution

The fourth proportional to 657,734.52, 907,674.44 and 355,928.52 is: 491,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,734.52 : 907,674.44 = 355,928.52 : x
  2. Step 2: Convert to fraction form
    657,734.52/907,674.44 = 355,928.52/x
  3. Step 3: Cross multiply
    657,734.52x = 907,674.44 × 355,928.52
  4. Step 4: Simplify right side
    657,734.52x = 323,067,220,071.03
  5. Step 5: Solve for x
    x = 323,067,220,071.03/657,734.52
  6. Step 6: Final answer
    x = 491,181.79

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1.5x scale

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.