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Finding the Fourth Proportional to 495,525.30, 743,287.95 and 408,045.30

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Solution

The fourth proportional to 495,525.30, 743,287.95 and 408,045.30 is: 612,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,525.30 : 743,287.95 = 408,045.30 : x
  2. Step 2: Convert to fraction form
    495,525.30/743,287.95 = 408,045.30/x
  3. Step 3: Cross multiply
    495,525.30x = 743,287.95 × 408,045.30
  4. Step 4: Simplify right side
    495,525.30x = 303,295,154,544.14
  5. Step 5: Solve for x
    x = 303,295,154,544.14/495,525.30
  6. Step 6: Final answer
    x = 612,067.95

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Similar ratio
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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.