Home / 740.03-1,109.43-465.44

Finding the Fourth Proportional to 740.03, 1,109.43 and 465.44

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Solution

The fourth proportional to 740.03, 1,109.43 and 465.44 is: 697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.03 : 1,109.43 = 465.44 : x
  2. Step 2: Convert to fraction form
    740.03/1,109.43 = 465.44/x
  3. Step 3: Cross multiply
    740.03x = 1,109.43 × 465.44
  4. Step 4: Simplify right side
    740.03x = 516,367.55
  5. Step 5: Solve for x
    x = 516,367.55/740.03
  6. Step 6: Final answer
    x = 697.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.