Home / 549,921.60-824,882.40-269,985.60

Finding the Fourth Proportional to 549,921.60, 824,882.40 and 269,985.60

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Solution

The fourth proportional to 549,921.60, 824,882.40 and 269,985.60 is: 404,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,921.60 : 824,882.40 = 269,985.60 : x
  2. Step 2: Convert to fraction form
    549,921.60/824,882.40 = 269,985.60/x
  3. Step 3: Cross multiply
    549,921.60x = 824,882.40 × 269,985.60
  4. Step 4: Simplify right side
    549,921.60x = 222,706,369,693.44
  5. Step 5: Solve for x
    x = 222,706,369,693.44/549,921.60
  6. Step 6: Final answer
    x = 404,978.40

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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.