Home / 767,922.50-1,059,601.83-445,558.70

Finding the Fourth Proportional to 767,922.50, 1,059,601.83 and 445,558.70

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Solution

The fourth proportional to 767,922.50, 1,059,601.83 and 445,558.70 is: 614,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,922.50 : 1,059,601.83 = 445,558.70 : x
  2. Step 2: Convert to fraction form
    767,922.50/1,059,601.83 = 445,558.70/x
  3. Step 3: Cross multiply
    767,922.50x = 1,059,601.83 × 445,558.70
  4. Step 4: Simplify right side
    767,922.50x = 472,114,813,892.42
  5. Step 5: Solve for x
    x = 472,114,813,892.42/767,922.50
  6. Step 6: Final answer
    x = 614,794.87

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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.