Home / 869,732.37-1,200,190.05-482,543.73

Finding the Fourth Proportional to 869,732.37, 1,200,190.05 and 482,543.73

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Solution

The fourth proportional to 869,732.37, 1,200,190.05 and 482,543.73 is: 665,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,732.37 : 1,200,190.05 = 482,543.73 : x
  2. Step 2: Convert to fraction form
    869,732.37/1,200,190.05 = 482,543.73/x
  3. Step 3: Cross multiply
    869,732.37x = 1,200,190.05 × 482,543.73
  4. Step 4: Simplify right side
    869,732.37x = 579,144,183,435.89
  5. Step 5: Solve for x
    x = 579,144,183,435.89/869,732.37
  6. Step 6: Final answer
    x = 665,887.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.