Home / 735.03-1,014.35-403.45

Finding the Fourth Proportional to 735.03, 1,014.35 and 403.45

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Solution

The fourth proportional to 735.03, 1,014.35 and 403.45 is: 556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.03 : 1,014.35 = 403.45 : x
  2. Step 2: Convert to fraction form
    735.03/1,014.35 = 403.45/x
  3. Step 3: Cross multiply
    735.03x = 1,014.35 × 403.45
  4. Step 4: Simplify right side
    735.03x = 409,237.74
  5. Step 5: Solve for x
    x = 409,237.74/735.03
  6. Step 6: Final answer
    x = 556.76

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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.