Home / 796,890.80-1,195,656.60-323,613.20

Finding the Fourth Proportional to 796,890.80, 1,195,656.60 and 323,613.20

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Solution

The fourth proportional to 796,890.80, 1,195,656.60 and 323,613.20 is: 485,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,890.80 : 1,195,656.60 = 323,613.20 : x
  2. Step 2: Convert to fraction form
    796,890.80/1,195,656.60 = 323,613.20/x
  3. Step 3: Cross multiply
    796,890.80x = 1,195,656.60 × 323,613.20
  4. Step 4: Simplify right side
    796,890.80x = 386,930,258,427.12
  5. Step 5: Solve for x
    x = 386,930,258,427.12/796,890.80
  6. Step 6: Final answer
    x = 485,549.91

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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.