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Finding the Fourth Proportional to 1,026.01, 1,417.07 and 747.49

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Solution

The fourth proportional to 1,026.01, 1,417.07 and 747.49 is: 1,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.01 : 1,417.07 = 747.49 : x
  2. Step 2: Convert to fraction form
    1,026.01/1,417.07 = 747.49/x
  3. Step 3: Cross multiply
    1,026.01x = 1,417.07 × 747.49
  4. Step 4: Simplify right side
    1,026.01x = 1,059,247.52
  5. Step 5: Solve for x
    x = 1,059,247.52/1,026.01
  6. Step 6: Final answer
    x = 1,032.39

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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.