Home / 748.04-1,113.77-737.80

Finding the Fourth Proportional to 748.04, 1,113.77 and 737.80

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Solution

The fourth proportional to 748.04, 1,113.77 and 737.80 is: 1,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    748.04 : 1,113.77 = 737.80 : x
  2. Step 2: Convert to fraction form
    748.04/1,113.77 = 737.80/x
  3. Step 3: Cross multiply
    748.04x = 1,113.77 × 737.80
  4. Step 4: Simplify right side
    748.04x = 821,739.51
  5. Step 5: Solve for x
    x = 821,739.51/748.04
  6. Step 6: Final answer
    x = 1,098.52

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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.