Home / 907,801.49-1,361,882.65-308,601.75

Finding the Fourth Proportional to 907,801.49, 1,361,882.65 and 308,601.75

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Solution

The fourth proportional to 907,801.49, 1,361,882.65 and 308,601.75 is: 462,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,801.49 : 1,361,882.65 = 308,601.75 : x
  2. Step 2: Convert to fraction form
    907,801.49/1,361,882.65 = 308,601.75/x
  3. Step 3: Cross multiply
    907,801.49x = 1,361,882.65 × 308,601.75
  4. Step 4: Simplify right side
    907,801.49x = 420,279,368,313.13
  5. Step 5: Solve for x
    x = 420,279,368,313.13/907,801.49
  6. Step 6: Final answer
    x = 462,963.96

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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.