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Finding the Fourth Proportional to 895.10, 1,342.94 and 504.77

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Solution

The fourth proportional to 895.10, 1,342.94 and 504.77 is: 757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.10 : 1,342.94 = 504.77 : x
  2. Step 2: Convert to fraction form
    895.10/1,342.94 = 504.77/x
  3. Step 3: Cross multiply
    895.10x = 1,342.94 × 504.77
  4. Step 4: Simplify right side
    895.10x = 677,866.59
  5. Step 5: Solve for x
    x = 677,866.59/895.10
  6. Step 6: Final answer
    x = 757.31

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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.