Home / 452,242.05-678,517.92-283,558.74

Finding the Fourth Proportional to 452,242.05, 678,517.92 and 283,558.74

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Solution

The fourth proportional to 452,242.05, 678,517.92 and 283,558.74 is: 425,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,242.05 : 678,517.92 = 283,558.74 : x
  2. Step 2: Convert to fraction form
    452,242.05/678,517.92 = 283,558.74/x
  3. Step 3: Cross multiply
    452,242.05x = 678,517.92 × 283,558.74
  4. Step 4: Simplify right side
    452,242.05x = 192,399,686,462.62
  5. Step 5: Solve for x
    x = 192,399,686,462.62/452,242.05
  6. Step 6: Final answer
    x = 425,435.20

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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.