Home / 495,988.40-743,982.60-296,922.80

Finding the Fourth Proportional to 495,988.40, 743,982.60 and 296,922.80

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Solution

The fourth proportional to 495,988.40, 743,982.60 and 296,922.80 is: 445,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,988.40 : 743,982.60 = 296,922.80 : x
  2. Step 2: Convert to fraction form
    495,988.40/743,982.60 = 296,922.80/x
  3. Step 3: Cross multiply
    495,988.40x = 743,982.60 × 296,922.80
  4. Step 4: Simplify right side
    495,988.40x = 220,905,396,743.28
  5. Step 5: Solve for x
    x = 220,905,396,743.28/495,988.40
  6. Step 6: Final answer
    x = 445,384.20

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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.