Home / 782,458.45-1,171,953.60-601,209.78

Finding the Fourth Proportional to 782,458.45, 1,171,953.60 and 601,209.78

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Solution

The fourth proportional to 782,458.45, 1,171,953.60 and 601,209.78 is: 900,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,458.45 : 1,171,953.60 = 601,209.78 : x
  2. Step 2: Convert to fraction form
    782,458.45/1,171,953.60 = 601,209.78/x
  3. Step 3: Cross multiply
    782,458.45x = 1,171,953.60 × 601,209.78
  4. Step 4: Simplify right side
    782,458.45x = 704,589,959,376.85
  5. Step 5: Solve for x
    x = 704,589,959,376.85/782,458.45
  6. Step 6: Final answer
    x = 900,482.27

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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.