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Finding the Fourth Proportional to 549,665.60, 824,498.40 and 269,729.60

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Solution

The fourth proportional to 549,665.60, 824,498.40 and 269,729.60 is: 404,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,665.60 : 824,498.40 = 269,729.60 : x
  2. Step 2: Convert to fraction form
    549,665.60/824,498.40 = 269,729.60/x
  3. Step 3: Cross multiply
    549,665.60x = 824,498.40 × 269,729.60
  4. Step 4: Simplify right side
    549,665.60x = 222,391,623,632.64
  5. Step 5: Solve for x
    x = 222,391,623,632.64/549,665.60
  6. Step 6: Final answer
    x = 404,594.40

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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.