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Finding the Fourth Proportional to 549,254.80, 824,400.60 and 339,302.80

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Solution

The fourth proportional to 549,254.80, 824,400.60 and 339,302.80 is: 509,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,254.80 : 824,400.60 = 339,302.80 : x
  2. Step 2: Convert to fraction form
    549,254.80/824,400.60 = 339,302.80/x
  3. Step 3: Cross multiply
    549,254.80x = 824,400.60 × 339,302.80
  4. Step 4: Simplify right side
    549,254.80x = 279,721,431,901.68
  5. Step 5: Solve for x
    x = 279,721,431,901.68/549,254.80
  6. Step 6: Final answer
    x = 509,274.44

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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.