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Finding the Fourth Proportional to 549,521.60, 824,282.40 and 449,794.40

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Solution

The fourth proportional to 549,521.60, 824,282.40 and 449,794.40 is: 674,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,521.60 : 824,282.40 = 449,794.40 : x
  2. Step 2: Convert to fraction form
    549,521.60/824,282.40 = 449,794.40/x
  3. Step 3: Cross multiply
    549,521.60x = 824,282.40 × 449,794.40
  4. Step 4: Simplify right side
    549,521.60x = 370,757,607,538.56
  5. Step 5: Solve for x
    x = 370,757,607,538.56/549,521.60
  6. Step 6: Final answer
    x = 674,691.60

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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.