Home / 549,145.01-757,910.79-376,921.49

Finding the Fourth Proportional to 549,145.01, 757,910.79 and 376,921.49

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Solution

The fourth proportional to 549,145.01, 757,910.79 and 376,921.49 is: 520,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,145.01 : 757,910.79 = 376,921.49 : x
  2. Step 2: Convert to fraction form
    549,145.01/757,910.79 = 376,921.49/x
  3. Step 3: Cross multiply
    549,145.01x = 757,910.79 × 376,921.49
  4. Step 4: Simplify right side
    549,145.01x = 285,672,864,253.88
  5. Step 5: Solve for x
    x = 285,672,864,253.88/549,145.01
  6. Step 6: Final answer
    x = 520,213.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.