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Finding the Fourth Proportional to 904.55, 1,355.06 and 595.46

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Solution

The fourth proportional to 904.55, 1,355.06 and 595.46 is: 892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.55 : 1,355.06 = 595.46 : x
  2. Step 2: Convert to fraction form
    904.55/1,355.06 = 595.46/x
  3. Step 3: Cross multiply
    904.55x = 1,355.06 × 595.46
  4. Step 4: Simplify right side
    904.55x = 806,884.03
  5. Step 5: Solve for x
    x = 806,884.03/904.55
  6. Step 6: Final answer
    x = 892.03

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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.