Home / 816,632.82-1,225,197.90-417,553.92

Finding the Fourth Proportional to 816,632.82, 1,225,197.90 and 417,553.92

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Solution

The fourth proportional to 816,632.82, 1,225,197.90 and 417,553.92 is: 626,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,632.82 : 1,225,197.90 = 417,553.92 : x
  2. Step 2: Convert to fraction form
    816,632.82/1,225,197.90 = 417,553.92/x
  3. Step 3: Cross multiply
    816,632.82x = 1,225,197.90 × 417,553.92
  4. Step 4: Simplify right side
    816,632.82x = 511,586,185,920.77
  5. Step 5: Solve for x
    x = 511,586,185,920.77/816,632.82
  6. Step 6: Final answer
    x = 626,458.03

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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.