Home / 771,212.52-1,156,806.40-210,247.02

Finding the Fourth Proportional to 771,212.52, 1,156,806.40 and 210,247.02

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Solution

The fourth proportional to 771,212.52, 1,156,806.40 and 210,247.02 is: 315,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,212.52 : 1,156,806.40 = 210,247.02 : x
  2. Step 2: Convert to fraction form
    771,212.52/1,156,806.40 = 210,247.02/x
  3. Step 3: Cross multiply
    771,212.52x = 1,156,806.40 × 210,247.02
  4. Step 4: Simplify right side
    771,212.52x = 243,215,098,316.93
  5. Step 5: Solve for x
    x = 243,215,098,316.93/771,212.52
  6. Step 6: Final answer
    x = 315,367.15

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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.