Home / 825,223.90-1,236,669.45-508,740.70

Finding the Fourth Proportional to 825,223.90, 1,236,669.45 and 508,740.70

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Solution

The fourth proportional to 825,223.90, 1,236,669.45 and 508,740.70 is: 762,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,223.90 : 1,236,669.45 = 508,740.70 : x
  2. Step 2: Convert to fraction form
    825,223.90/1,236,669.45 = 508,740.70/x
  3. Step 3: Cross multiply
    825,223.90x = 1,236,669.45 × 508,740.70
  4. Step 4: Simplify right side
    825,223.90x = 629,144,081,661.62
  5. Step 5: Solve for x
    x = 629,144,081,661.62/825,223.90
  6. Step 6: Final answer
    x = 762,391.98

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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.