Home / 693,644.24-1,037,850.10-409,489.36

Finding the Fourth Proportional to 693,644.24, 1,037,850.10 and 409,489.36

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Solution

The fourth proportional to 693,644.24, 1,037,850.10 and 409,489.36 is: 612,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,644.24 : 1,037,850.10 = 409,489.36 : x
  2. Step 2: Convert to fraction form
    693,644.24/1,037,850.10 = 409,489.36/x
  3. Step 3: Cross multiply
    693,644.24x = 1,037,850.10 × 409,489.36
  4. Step 4: Simplify right side
    693,644.24x = 424,988,573,224.94
  5. Step 5: Solve for x
    x = 424,988,573,224.94/693,644.24
  6. Step 6: Final answer
    x = 612,689.54

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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.