Home / 951,683.20-1,313,359.62-521,981.44

Finding the Fourth Proportional to 951,683.20, 1,313,359.62 and 521,981.44

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Solution

The fourth proportional to 951,683.20, 1,313,359.62 and 521,981.44 is: 720,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,683.20 : 1,313,359.62 = 521,981.44 : x
  2. Step 2: Convert to fraction form
    951,683.20/1,313,359.62 = 521,981.44/x
  3. Step 3: Cross multiply
    951,683.20x = 1,313,359.62 × 521,981.44
  4. Step 4: Simplify right side
    951,683.20x = 685,549,345,685.45
  5. Step 5: Solve for x
    x = 685,549,345,685.45/951,683.20
  6. Step 6: Final answer
    x = 720,354.57

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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.