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Finding the Fourth Proportional to 549,309.60, 824,578.80 and 513,213.60

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Solution

The fourth proportional to 549,309.60, 824,578.80 and 513,213.60 is: 770,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,309.60 : 824,578.80 = 513,213.60 : x
  2. Step 2: Convert to fraction form
    549,309.60/824,578.80 = 513,213.60/x
  3. Step 3: Cross multiply
    549,309.60x = 824,578.80 × 513,213.60
  4. Step 4: Simplify right side
    549,309.60x = 423,185,054,431.68
  5. Step 5: Solve for x
    x = 423,185,054,431.68/549,309.60
  6. Step 6: Final answer
    x = 770,394.43

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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.