Home / 907,805.31-1,361,926.67-276,680.31

Finding the Fourth Proportional to 907,805.31, 1,361,926.67 and 276,680.31

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Solution

The fourth proportional to 907,805.31, 1,361,926.67 and 276,680.31 is: 415,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,805.31 : 1,361,926.67 = 276,680.31 : x
  2. Step 2: Convert to fraction form
    907,805.31/1,361,926.67 = 276,680.31/x
  3. Step 3: Cross multiply
    907,805.31x = 1,361,926.67 × 276,680.31
  4. Step 4: Simplify right side
    907,805.31x = 376,818,291,869.47
  5. Step 5: Solve for x
    x = 376,818,291,869.47/907,805.31
  6. Step 6: Final answer
    x = 415,087.12

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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.