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Finding the Fourth Proportional to 673.02, 1,014.13 and 553.95

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Solution

The fourth proportional to 673.02, 1,014.13 and 553.95 is: 834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.02 : 1,014.13 = 553.95 : x
  2. Step 2: Convert to fraction form
    673.02/1,014.13 = 553.95/x
  3. Step 3: Cross multiply
    673.02x = 1,014.13 × 553.95
  4. Step 4: Simplify right side
    673.02x = 561,777.31
  5. Step 5: Solve for x
    x = 561,777.31/673.02
  6. Step 6: Final answer
    x = 834.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.