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Finding the Fourth Proportional to 750.26, 1,035.38 and 435.53

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Solution

The fourth proportional to 750.26, 1,035.38 and 435.53 is: 601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.26 : 1,035.38 = 435.53 : x
  2. Step 2: Convert to fraction form
    750.26/1,035.38 = 435.53/x
  3. Step 3: Cross multiply
    750.26x = 1,035.38 × 435.53
  4. Step 4: Simplify right side
    750.26x = 450,939.05
  5. Step 5: Solve for x
    x = 450,939.05/750.26
  6. Step 6: Final answer
    x = 601.04

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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.