Home / 726,579.49-1,002,679.70-404,310.35

Finding the Fourth Proportional to 726,579.49, 1,002,679.70 and 404,310.35

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Solution

The fourth proportional to 726,579.49, 1,002,679.70 and 404,310.35 is: 557,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,579.49 : 1,002,679.70 = 404,310.35 : x
  2. Step 2: Convert to fraction form
    726,579.49/1,002,679.70 = 404,310.35/x
  3. Step 3: Cross multiply
    726,579.49x = 1,002,679.70 × 404,310.35
  4. Step 4: Simplify right side
    726,579.49x = 405,393,778,405.64
  5. Step 5: Solve for x
    x = 405,393,778,405.64/726,579.49
  6. Step 6: Final answer
    x = 557,948.28

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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.