Home / 702,199.80-1,053,299.70-691,702.20

Finding the Fourth Proportional to 702,199.80, 1,053,299.70 and 691,702.20

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Solution

The fourth proportional to 702,199.80, 1,053,299.70 and 691,702.20 is: 1,037,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,199.80 : 1,053,299.70 = 691,702.20 : x
  2. Step 2: Convert to fraction form
    702,199.80/1,053,299.70 = 691,702.20/x
  3. Step 3: Cross multiply
    702,199.80x = 1,053,299.70 × 691,702.20
  4. Step 4: Simplify right side
    702,199.80x = 728,569,719,749.34
  5. Step 5: Solve for x
    x = 728,569,719,749.34/702,199.80
  6. Step 6: Final answer
    x = 1,037,553.30

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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.