Home / 691,238.17-1,037,327.46-424,183.60

Finding the Fourth Proportional to 691,238.17, 1,037,327.46 and 424,183.60

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Solution

The fourth proportional to 691,238.17, 1,037,327.46 and 424,183.60 is: 636,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,238.17 : 1,037,327.46 = 424,183.60 : x
  2. Step 2: Convert to fraction form
    691,238.17/1,037,327.46 = 424,183.60/x
  3. Step 3: Cross multiply
    691,238.17x = 1,037,327.46 × 424,183.60
  4. Step 4: Simplify right side
    691,238.17x = 440,017,298,453.66
  5. Step 5: Solve for x
    x = 440,017,298,453.66/691,238.17
  6. Step 6: Final answer
    x = 636,563.95

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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.