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Finding the Fourth Proportional to 716.04, 1,074.87 and 554.58

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Solution

The fourth proportional to 716.04, 1,074.87 and 554.58 is: 832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.04 : 1,074.87 = 554.58 : x
  2. Step 2: Convert to fraction form
    716.04/1,074.87 = 554.58/x
  3. Step 3: Cross multiply
    716.04x = 1,074.87 × 554.58
  4. Step 4: Simplify right side
    716.04x = 596,101.40
  5. Step 5: Solve for x
    x = 596,101.40/716.04
  6. Step 6: Final answer
    x = 832.50

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Why These Related Problems?

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