Home / 723,646.55-1,085,469.84-495,717.41

Finding the Fourth Proportional to 723,646.55, 1,085,469.84 and 495,717.41

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Solution

The fourth proportional to 723,646.55, 1,085,469.84 and 495,717.41 is: 743,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,646.55 : 1,085,469.84 = 495,717.41 : x
  2. Step 2: Convert to fraction form
    723,646.55/1,085,469.84 = 495,717.41/x
  3. Step 3: Cross multiply
    723,646.55x = 1,085,469.84 × 495,717.41
  4. Step 4: Simplify right side
    723,646.55x = 538,086,297,717.91
  5. Step 5: Solve for x
    x = 538,086,297,717.91/723,646.55
  6. Step 6: Final answer
    x = 743,576.13

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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.