Home / 476,591.22-657,531.44-304,609.84

Finding the Fourth Proportional to 476,591.22, 657,531.44 and 304,609.84

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Solution

The fourth proportional to 476,591.22, 657,531.44 and 304,609.84 is: 420,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,591.22 : 657,531.44 = 304,609.84 : x
  2. Step 2: Convert to fraction form
    476,591.22/657,531.44 = 304,609.84/x
  3. Step 3: Cross multiply
    476,591.22x = 657,531.44 × 304,609.84
  4. Step 4: Simplify right side
    476,591.22x = 200,290,546,733.37
  5. Step 5: Solve for x
    x = 200,290,546,733.37/476,591.22
  6. Step 6: Final answer
    x = 420,256.48

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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.