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Finding the Fourth Proportional to 1,063.50, 1,595.52 and 625.12

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Solution

The fourth proportional to 1,063.50, 1,595.52 and 625.12 is: 937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.50 : 1,595.52 = 625.12 : x
  2. Step 2: Convert to fraction form
    1,063.50/1,595.52 = 625.12/x
  3. Step 3: Cross multiply
    1,063.50x = 1,595.52 × 625.12
  4. Step 4: Simplify right side
    1,063.50x = 997,389.90
  5. Step 5: Solve for x
    x = 997,389.90/1,063.50
  6. Step 6: Final answer
    x = 937.84

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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.