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Finding the Fourth Proportional to 750.29, 1,125.48 and 476

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Solution

The fourth proportional to 750.29, 1,125.48 and 476 is: 714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.29 : 1,125.48 = 476 : x
  2. Step 2: Convert to fraction form
    750.29/1,125.48 = 476/x
  3. Step 3: Cross multiply
    750.29x = 1,125.48 × 476
  4. Step 4: Simplify right side
    750.29x = 535,728.48
  5. Step 5: Solve for x
    x = 535,728.48/750.29
  6. Step 6: Final answer
    x = 714.03

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