Home / 526,514.20-788,221.25-326,190.46

Finding the Fourth Proportional to 526,514.20, 788,221.25 and 326,190.46

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Solution

The fourth proportional to 526,514.20, 788,221.25 and 326,190.46 is: 488,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,514.20 : 788,221.25 = 326,190.46 : x
  2. Step 2: Convert to fraction form
    526,514.20/788,221.25 = 326,190.46/x
  3. Step 3: Cross multiply
    526,514.20x = 788,221.25 × 326,190.46
  4. Step 4: Simplify right side
    526,514.20x = 257,110,252,119.28
  5. Step 5: Solve for x
    x = 257,110,252,119.28/526,514.20
  6. Step 6: Final answer
    x = 488,325.39

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Double scale
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Similar ratio
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1.5x scale

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.