Home / 771,930.92-1,157,953.13-203,307.86

Finding the Fourth Proportional to 771,930.92, 1,157,953.13 and 203,307.86

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Solution

The fourth proportional to 771,930.92, 1,157,953.13 and 203,307.86 is: 304,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,930.92 : 1,157,953.13 = 203,307.86 : x
  2. Step 2: Convert to fraction form
    771,930.92/1,157,953.13 = 203,307.86/x
  3. Step 3: Cross multiply
    771,930.92x = 1,157,953.13 × 203,307.86
  4. Step 4: Simplify right side
    771,930.92x = 235,420,967,559.11
  5. Step 5: Solve for x
    x = 235,420,967,559.11/771,930.92
  6. Step 6: Final answer
    x = 304,976.73

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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.