Home / 734,621.90-1,102,358.27-308,119.77

Finding the Fourth Proportional to 734,621.90, 1,102,358.27 and 308,119.77

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Solution

The fourth proportional to 734,621.90, 1,102,358.27 and 308,119.77 is: 462,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,621.90 : 1,102,358.27 = 308,119.77 : x
  2. Step 2: Convert to fraction form
    734,621.90/1,102,358.27 = 308,119.77/x
  3. Step 3: Cross multiply
    734,621.90x = 1,102,358.27 × 308,119.77
  4. Step 4: Simplify right side
    734,621.90x = 339,658,377,380.30
  5. Step 5: Solve for x
    x = 339,658,377,380.30/734,621.90
  6. Step 6: Final answer
    x = 462,358.09

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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.