Home / 743,574.94-1,026,131.49-404,043.22

Finding the Fourth Proportional to 743,574.94, 1,026,131.49 and 404,043.22

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Solution

The fourth proportional to 743,574.94, 1,026,131.49 and 404,043.22 is: 557,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.94 : 1,026,131.49 = 404,043.22 : x
  2. Step 2: Convert to fraction form
    743,574.94/1,026,131.49 = 404,043.22/x
  3. Step 3: Cross multiply
    743,574.94x = 1,026,131.49 × 404,043.22
  4. Step 4: Simplify right side
    743,574.94x = 414,601,471,363.00
  5. Step 5: Solve for x
    x = 414,601,471,363.00/743,574.94
  6. Step 6: Final answer
    x = 557,578.60

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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.