Home / 728.03-1,004.66-433.35

Finding the Fourth Proportional to 728.03, 1,004.66 and 433.35

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Solution

The fourth proportional to 728.03, 1,004.66 and 433.35 is: 598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    728.03 : 1,004.66 = 433.35 : x
  2. Step 2: Convert to fraction form
    728.03/1,004.66 = 433.35/x
  3. Step 3: Cross multiply
    728.03x = 1,004.66 × 433.35
  4. Step 4: Simplify right side
    728.03x = 435,367.24
  5. Step 5: Solve for x
    x = 435,367.24/728.03
  6. Step 6: Final answer
    x = 598.01

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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.