Home / 495,554.80-743,332.20-408,074.80

Finding the Fourth Proportional to 495,554.80, 743,332.20 and 408,074.80

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Solution

The fourth proportional to 495,554.80, 743,332.20 and 408,074.80 is: 612,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,554.80 : 743,332.20 = 408,074.80 : x
  2. Step 2: Convert to fraction form
    495,554.80/743,332.20 = 408,074.80/x
  3. Step 3: Cross multiply
    495,554.80x = 743,332.20 × 408,074.80
  4. Step 4: Simplify right side
    495,554.80x = 303,335,138,848.56
  5. Step 5: Solve for x
    x = 303,335,138,848.56/495,554.80
  6. Step 6: Final answer
    x = 612,112.20

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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.