Home / 746,449.40-1,119,455.40-266,621.60

Finding the Fourth Proportional to 746,449.40, 1,119,455.40 and 266,621.60

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Solution

The fourth proportional to 746,449.40, 1,119,455.40 and 266,621.60 is: 399,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,449.40 : 1,119,455.40 = 266,621.60 : x
  2. Step 2: Convert to fraction form
    746,449.40/1,119,455.40 = 266,621.60/x
  3. Step 3: Cross multiply
    746,449.40x = 1,119,455.40 × 266,621.60
  4. Step 4: Simplify right side
    746,449.40x = 298,470,989,876.64
  5. Step 5: Solve for x
    x = 298,470,989,876.64/746,449.40
  6. Step 6: Final answer
    x = 399,854.28

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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.