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Finding the Fourth Proportional to 895.98, 1,342.22 and 504.79

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Solution

The fourth proportional to 895.98, 1,342.22 and 504.79 is: 756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.98 : 1,342.22 = 504.79 : x
  2. Step 2: Convert to fraction form
    895.98/1,342.22 = 504.79/x
  3. Step 3: Cross multiply
    895.98x = 1,342.22 × 504.79
  4. Step 4: Simplify right side
    895.98x = 677,539.23
  5. Step 5: Solve for x
    x = 677,539.23/895.98
  6. Step 6: Final answer
    x = 756.20

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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.