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Finding the Fourth Proportional to 570,717.43, 856,132.76 and 210,982.53

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Solution

The fourth proportional to 570,717.43, 856,132.76 and 210,982.53 is: 316,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,717.43 : 856,132.76 = 210,982.53 : x
  2. Step 2: Convert to fraction form
    570,717.43/856,132.76 = 210,982.53/x
  3. Step 3: Cross multiply
    570,717.43x = 856,132.76 × 210,982.53
  4. Step 4: Simplify right side
    570,717.43x = 180,629,055,720.68
  5. Step 5: Solve for x
    x = 180,629,055,720.68/570,717.43
  6. Step 6: Final answer
    x = 316,494.72

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1.5x scale

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.