Home / 769,057.56-1,153,582.68-427,340.04

Finding the Fourth Proportional to 769,057.56, 1,153,582.68 and 427,340.04

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Solution

The fourth proportional to 769,057.56, 1,153,582.68 and 427,340.04 is: 641,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,057.56 : 1,153,582.68 = 427,340.04 : x
  2. Step 2: Convert to fraction form
    769,057.56/1,153,582.68 = 427,340.04/x
  3. Step 3: Cross multiply
    769,057.56x = 1,153,582.68 × 427,340.04
  4. Step 4: Simplify right side
    769,057.56x = 492,972,068,614.51
  5. Step 5: Solve for x
    x = 492,972,068,614.51/769,057.56
  6. Step 6: Final answer
    x = 641,008.03

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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.