Home / 816,744.66-1,225,366.20-417,665.76

Finding the Fourth Proportional to 816,744.66, 1,225,366.20 and 417,665.76

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Solution

The fourth proportional to 816,744.66, 1,225,366.20 and 417,665.76 is: 626,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,744.66 : 1,225,366.20 = 417,665.76 : x
  2. Step 2: Convert to fraction form
    816,744.66/1,225,366.20 = 417,665.76/x
  3. Step 3: Cross multiply
    816,744.66x = 1,225,366.20 × 417,665.76
  4. Step 4: Simplify right side
    816,744.66x = 511,793,505,201.31
  5. Step 5: Solve for x
    x = 511,793,505,201.31/816,744.66
  6. Step 6: Final answer
    x = 626,626.08

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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.