Home / 783,493.42-1,081,265.94-439,439.70

Finding the Fourth Proportional to 783,493.42, 1,081,265.94 and 439,439.70

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Solution

The fourth proportional to 783,493.42, 1,081,265.94 and 439,439.70 is: 606,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,493.42 : 1,081,265.94 = 439,439.70 : x
  2. Step 2: Convert to fraction form
    783,493.42/1,081,265.94 = 439,439.70/x
  3. Step 3: Cross multiply
    783,493.42x = 1,081,265.94 × 439,439.70
  4. Step 4: Simplify right side
    783,493.42x = 475,151,178,096.62
  5. Step 5: Solve for x
    x = 475,151,178,096.62/783,493.42
  6. Step 6: Final answer
    x = 606,452.04

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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.