Home / 846,543.52-1,269,854.20-215,462.80

Finding the Fourth Proportional to 846,543.52, 1,269,854.20 and 215,462.80

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Solution

The fourth proportional to 846,543.52, 1,269,854.20 and 215,462.80 is: 323,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,543.52 : 1,269,854.20 = 215,462.80 : x
  2. Step 2: Convert to fraction form
    846,543.52/1,269,854.20 = 215,462.80/x
  3. Step 3: Cross multiply
    846,543.52x = 1,269,854.20 × 215,462.80
  4. Step 4: Simplify right side
    846,543.52x = 273,606,341,523.76
  5. Step 5: Solve for x
    x = 273,606,341,523.76/846,543.52
  6. Step 6: Final answer
    x = 323,204.11

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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.