Home / 726,731.70-1,002,881.94-404,436.36

Finding the Fourth Proportional to 726,731.70, 1,002,881.94 and 404,436.36

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Solution

The fourth proportional to 726,731.70, 1,002,881.94 and 404,436.36 is: 558,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,731.70 : 1,002,881.94 = 404,436.36 : x
  2. Step 2: Convert to fraction form
    726,731.70/1,002,881.94 = 404,436.36/x
  3. Step 3: Cross multiply
    726,731.70x = 1,002,881.94 × 404,436.36
  4. Step 4: Simplify right side
    726,731.70x = 405,601,921,323.34
  5. Step 5: Solve for x
    x = 405,601,921,323.34/726,731.70
  6. Step 6: Final answer
    x = 558,117.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.