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Finding the Fourth Proportional to 1,034.63, 1,428.03 and 592.77

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Solution

The fourth proportional to 1,034.63, 1,428.03 and 592.77 is: 818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.63 : 1,428.03 = 592.77 : x
  2. Step 2: Convert to fraction form
    1,034.63/1,428.03 = 592.77/x
  3. Step 3: Cross multiply
    1,034.63x = 1,428.03 × 592.77
  4. Step 4: Simplify right side
    1,034.63x = 846,493.34
  5. Step 5: Solve for x
    x = 846,493.34/1,034.63
  6. Step 6: Final answer
    x = 818.16

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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.