Home / 549,499.43-757,919.48-342,871.85

Finding the Fourth Proportional to 549,499.43, 757,919.48 and 342,871.85

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Solution

The fourth proportional to 549,499.43, 757,919.48 and 342,871.85 is: 472,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,499.43 : 757,919.48 = 342,871.85 : x
  2. Step 2: Convert to fraction form
    549,499.43/757,919.48 = 342,871.85/x
  3. Step 3: Cross multiply
    549,499.43x = 757,919.48 × 342,871.85
  4. Step 4: Simplify right side
    549,499.43x = 259,869,248,754.68
  5. Step 5: Solve for x
    x = 259,869,248,754.68/549,499.43
  6. Step 6: Final answer
    x = 472,919.96

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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.