Home / 743,633.80-1,026,212.10-404,101.96

Finding the Fourth Proportional to 743,633.80, 1,026,212.10 and 404,101.96

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Solution

The fourth proportional to 743,633.80, 1,026,212.10 and 404,101.96 is: 557,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,633.80 : 1,026,212.10 = 404,101.96 : x
  2. Step 2: Convert to fraction form
    743,633.80/1,026,212.10 = 404,101.96/x
  3. Step 3: Cross multiply
    743,633.80x = 1,026,212.10 × 404,101.96
  4. Step 4: Simplify right side
    743,633.80x = 414,694,320,985.72
  5. Step 5: Solve for x
    x = 414,694,320,985.72/743,633.80
  6. Step 6: Final answer
    x = 557,659.32

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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.