Home / 769,500.86-1,154,375.31-237,021.64

Finding the Fourth Proportional to 769,500.86, 1,154,375.31 and 237,021.64

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Solution

The fourth proportional to 769,500.86, 1,154,375.31 and 237,021.64 is: 355,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,500.86 : 1,154,375.31 = 237,021.64 : x
  2. Step 2: Convert to fraction form
    769,500.86/1,154,375.31 = 237,021.64/x
  3. Step 3: Cross multiply
    769,500.86x = 1,154,375.31 × 237,021.64
  4. Step 4: Simplify right side
    769,500.86x = 273,611,929,151.71
  5. Step 5: Solve for x
    x = 273,611,929,151.71/769,500.86
  6. Step 6: Final answer
    x = 355,570.66

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1.5x scale

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.