Home / 743,695.32-1,026,305.98-404,163.64

Finding the Fourth Proportional to 743,695.32, 1,026,305.98 and 404,163.64

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Solution

The fourth proportional to 743,695.32, 1,026,305.98 and 404,163.64 is: 557,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,695.32 : 1,026,305.98 = 404,163.64 : x
  2. Step 2: Convert to fraction form
    743,695.32/1,026,305.98 = 404,163.64/x
  3. Step 3: Cross multiply
    743,695.32x = 1,026,305.98 × 404,163.64
  4. Step 4: Simplify right side
    743,695.32x = 414,795,560,630.57
  5. Step 5: Solve for x
    x = 414,795,560,630.57/743,695.32
  6. Step 6: Final answer
    x = 557,749.32

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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.