Home / 662,499.77-993,540.50-213,120.46

Finding the Fourth Proportional to 662,499.77, 993,540.50 and 213,120.46

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Solution

The fourth proportional to 662,499.77, 993,540.50 and 213,120.46 is: 319,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,499.77 : 993,540.50 = 213,120.46 : x
  2. Step 2: Convert to fraction form
    662,499.77/993,540.50 = 213,120.46/x
  3. Step 3: Cross multiply
    662,499.77x = 993,540.50 × 213,120.46
  4. Step 4: Simplify right side
    662,499.77x = 211,743,804,839.18
  5. Step 5: Solve for x
    x = 211,743,804,839.18/662,499.77
  6. Step 6: Final answer
    x = 319,613.40

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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.