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Finding the Fourth Proportional to 694.74, 1,037.04 and 607.17

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Solution

The fourth proportional to 694.74, 1,037.04 and 607.17 is: 906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.74 : 1,037.04 = 607.17 : x
  2. Step 2: Convert to fraction form
    694.74/1,037.04 = 607.17/x
  3. Step 3: Cross multiply
    694.74x = 1,037.04 × 607.17
  4. Step 4: Simplify right side
    694.74x = 629,655.91
  5. Step 5: Solve for x
    x = 629,655.91/694.74
  6. Step 6: Final answer
    x = 906.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.