Home / 726,785.10-1,002,953.48-404,495.28

Finding the Fourth Proportional to 726,785.10, 1,002,953.48 and 404,495.28

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Solution

The fourth proportional to 726,785.10, 1,002,953.48 and 404,495.28 is: 558,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,785.10 : 1,002,953.48 = 404,495.28 : x
  2. Step 2: Convert to fraction form
    726,785.10/1,002,953.48 = 404,495.28/x
  3. Step 3: Cross multiply
    726,785.10x = 1,002,953.48 × 404,495.28
  4. Step 4: Simplify right side
    726,785.10x = 405,689,946,697.10
  5. Step 5: Solve for x
    x = 405,689,946,697.10/726,785.10
  6. Step 6: Final answer
    x = 558,197.94

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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.