Home / 452,385.11-677,543.85-215,893.86

Finding the Fourth Proportional to 452,385.11, 677,543.85 and 215,893.86

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Solution

The fourth proportional to 452,385.11, 677,543.85 and 215,893.86 is: 323,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,385.11 : 677,543.85 = 215,893.86 : x
  2. Step 2: Convert to fraction form
    452,385.11/677,543.85 = 215,893.86/x
  3. Step 3: Cross multiply
    452,385.11x = 677,543.85 × 215,893.86
  4. Step 4: Simplify right side
    452,385.11x = 146,277,556,016.29
  5. Step 5: Solve for x
    x = 146,277,556,016.29/452,385.11
  6. Step 6: Final answer
    x = 323,347.42

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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.