Home / 667,445.60-1,000,726.20-368,069.60

Finding the Fourth Proportional to 667,445.60, 1,000,726.20 and 368,069.60

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Solution

The fourth proportional to 667,445.60, 1,000,726.20 and 368,069.60 is: 551,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,445.60 : 1,000,726.20 = 368,069.60 : x
  2. Step 2: Convert to fraction form
    667,445.60/1,000,726.20 = 368,069.60/x
  3. Step 3: Cross multiply
    667,445.60x = 1,000,726.20 × 368,069.60
  4. Step 4: Simplify right side
    667,445.60x = 368,336,892,143.52
  5. Step 5: Solve for x
    x = 368,336,892,143.52/667,445.60
  6. Step 6: Final answer
    x = 551,860.54

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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.