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Finding the Fourth Proportional to 549,029.80, 824,063.10 and 339,077.80

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Solution

The fourth proportional to 549,029.80, 824,063.10 and 339,077.80 is: 508,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,029.80 : 824,063.10 = 339,077.80 : x
  2. Step 2: Convert to fraction form
    549,029.80/824,063.10 = 339,077.80/x
  3. Step 3: Cross multiply
    549,029.80x = 824,063.10 × 339,077.80
  4. Step 4: Simplify right side
    549,029.80x = 279,421,503,009.18
  5. Step 5: Solve for x
    x = 279,421,503,009.18/549,029.80
  6. Step 6: Final answer
    x = 508,936.86

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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.