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Finding the Fourth Proportional to 833.13, 1,149.70 and 501.73

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Solution

The fourth proportional to 833.13, 1,149.70 and 501.73 is: 692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.13 : 1,149.70 = 501.73 : x
  2. Step 2: Convert to fraction form
    833.13/1,149.70 = 501.73/x
  3. Step 3: Cross multiply
    833.13x = 1,149.70 × 501.73
  4. Step 4: Simplify right side
    833.13x = 576,838.98
  5. Step 5: Solve for x
    x = 576,838.98/833.13
  6. Step 6: Final answer
    x = 692.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.