Home / 907,687.36-1,361,678.78-268,055.77

Finding the Fourth Proportional to 907,687.36, 1,361,678.78 and 268,055.77

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Solution

The fourth proportional to 907,687.36, 1,361,678.78 and 268,055.77 is: 402,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,687.36 : 1,361,678.78 = 268,055.77 : x
  2. Step 2: Convert to fraction form
    907,687.36/1,361,678.78 = 268,055.77/x
  3. Step 3: Cross multiply
    907,687.36x = 1,361,678.78 × 268,055.77
  4. Step 4: Simplify right side
    907,687.36x = 365,005,853,865.56
  5. Step 5: Solve for x
    x = 365,005,853,865.56/907,687.36
  6. Step 6: Final answer
    x = 402,127.29

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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.