Home / 907,808.38-1,361,891.78-268,123.03

Finding the Fourth Proportional to 907,808.38, 1,361,891.78 and 268,123.03

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Solution

The fourth proportional to 907,808.38, 1,361,891.78 and 268,123.03 is: 402,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,808.38 : 1,361,891.78 = 268,123.03 : x
  2. Step 2: Convert to fraction form
    907,808.38/1,361,891.78 = 268,123.03/x
  3. Step 3: Cross multiply
    907,808.38x = 1,361,891.78 × 268,123.03
  4. Step 4: Simplify right side
    907,808.38x = 365,154,546,845.81
  5. Step 5: Solve for x
    x = 365,154,546,845.81/907,808.38
  6. Step 6: Final answer
    x = 402,237.47

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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.