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Finding the Fourth Proportional to 750.19, 1,034.99 and 470.44

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Solution

The fourth proportional to 750.19, 1,034.99 and 470.44 is: 649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.19 : 1,034.99 = 470.44 : x
  2. Step 2: Convert to fraction form
    750.19/1,034.99 = 470.44/x
  3. Step 3: Cross multiply
    750.19x = 1,034.99 × 470.44
  4. Step 4: Simplify right side
    750.19x = 486,895.52
  5. Step 5: Solve for x
    x = 486,895.52/750.19
  6. Step 6: Final answer
    x = 649.03

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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.