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Finding the Fourth Proportional to 677.10, 1,013.83 and 595.09

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Solution

The fourth proportional to 677.10, 1,013.83 and 595.09 is: 891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.10 : 1,013.83 = 595.09 : x
  2. Step 2: Convert to fraction form
    677.10/1,013.83 = 595.09/x
  3. Step 3: Cross multiply
    677.10x = 1,013.83 × 595.09
  4. Step 4: Simplify right side
    677.10x = 603,316.07
  5. Step 5: Solve for x
    x = 603,316.07/677.10
  6. Step 6: Final answer
    x = 891.03

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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.