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Finding the Fourth Proportional to 1,033.77, 1,426.47 and 614.04

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Solution

The fourth proportional to 1,033.77, 1,426.47 and 614.04 is: 847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.77 : 1,426.47 = 614.04 : x
  2. Step 2: Convert to fraction form
    1,033.77/1,426.47 = 614.04/x
  3. Step 3: Cross multiply
    1,033.77x = 1,426.47 × 614.04
  4. Step 4: Simplify right side
    1,033.77x = 875,909.64
  5. Step 5: Solve for x
    x = 875,909.64/1,033.77
  6. Step 6: Final answer
    x = 847.30

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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.