Home / 816,599.76-1,224,627.48-343,196.88

Finding the Fourth Proportional to 816,599.76, 1,224,627.48 and 343,196.88

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Solution

The fourth proportional to 816,599.76, 1,224,627.48 and 343,196.88 is: 514,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,599.76 : 1,224,627.48 = 343,196.88 : x
  2. Step 2: Convert to fraction form
    816,599.76/1,224,627.48 = 343,196.88/x
  3. Step 3: Cross multiply
    816,599.76x = 1,224,627.48 × 343,196.88
  4. Step 4: Simplify right side
    816,599.76x = 420,288,330,298.26
  5. Step 5: Solve for x
    x = 420,288,330,298.26/816,599.76
  6. Step 6: Final answer
    x = 514,680.94

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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.