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Finding the Fourth Proportional to 495,527.30, 743,290.95 and 408,047.30

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Solution

The fourth proportional to 495,527.30, 743,290.95 and 408,047.30 is: 612,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,527.30 : 743,290.95 = 408,047.30 : x
  2. Step 2: Convert to fraction form
    495,527.30/743,290.95 = 408,047.30/x
  3. Step 3: Cross multiply
    495,527.30x = 743,290.95 × 408,047.30
  4. Step 4: Simplify right side
    495,527.30x = 303,297,865,261.94
  5. Step 5: Solve for x
    x = 303,297,865,261.94/495,527.30
  6. Step 6: Final answer
    x = 612,070.95

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Similar ratio
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1.5x scale

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.