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Finding the Fourth Proportional to 901.82, 1,244.46 and 503.46

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Solution

The fourth proportional to 901.82, 1,244.46 and 503.46 is: 694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.82 : 1,244.46 = 503.46 : x
  2. Step 2: Convert to fraction form
    901.82/1,244.46 = 503.46/x
  3. Step 3: Cross multiply
    901.82x = 1,244.46 × 503.46
  4. Step 4: Simplify right side
    901.82x = 626,535.83
  5. Step 5: Solve for x
    x = 626,535.83/901.82
  6. Step 6: Final answer
    x = 694.75

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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.