Home / 907,806.81-1,361,928.92-276,681.81

Finding the Fourth Proportional to 907,806.81, 1,361,928.92 and 276,681.81

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Solution

The fourth proportional to 907,806.81, 1,361,928.92 and 276,681.81 is: 415,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,806.81 : 1,361,928.92 = 276,681.81 : x
  2. Step 2: Convert to fraction form
    907,806.81/1,361,928.92 = 276,681.81/x
  3. Step 3: Cross multiply
    907,806.81x = 1,361,928.92 × 276,681.81
  4. Step 4: Simplify right side
    907,806.81x = 376,820,957,293.54
  5. Step 5: Solve for x
    x = 376,820,957,293.54/907,806.81
  6. Step 6: Final answer
    x = 415,089.37

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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.