Home / 856,877.50-1,286,180.70-377,318.62

Finding the Fourth Proportional to 856,877.50, 1,286,180.70 and 377,318.62

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Solution

The fourth proportional to 856,877.50, 1,286,180.70 and 377,318.62 is: 566,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,877.50 : 1,286,180.70 = 377,318.62 : x
  2. Step 2: Convert to fraction form
    856,877.50/1,286,180.70 = 377,318.62/x
  3. Step 3: Cross multiply
    856,877.50x = 1,286,180.70 × 377,318.62
  4. Step 4: Simplify right side
    856,877.50x = 485,299,926,794.63
  5. Step 5: Solve for x
    x = 485,299,926,794.63/856,877.50
  6. Step 6: Final answer
    x = 566,358.58

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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.