Home / 549,619.88-824,235.42-261,397.58

Finding the Fourth Proportional to 549,619.88, 824,235.42 and 261,397.58

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Solution

The fourth proportional to 549,619.88, 824,235.42 and 261,397.58 is: 392,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,619.88 : 824,235.42 = 261,397.58 : x
  2. Step 2: Convert to fraction form
    549,619.88/824,235.42 = 261,397.58/x
  3. Step 3: Cross multiply
    549,619.88x = 824,235.42 × 261,397.58
  4. Step 4: Simplify right side
    549,619.88x = 215,453,144,138.28
  5. Step 5: Solve for x
    x = 215,453,144,138.28/549,619.88
  6. Step 6: Final answer
    x = 392,003.91

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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.