Home / 743,926.80-1,026,629.19-404,402.34

Finding the Fourth Proportional to 743,926.80, 1,026,629.19 and 404,402.34

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Solution

The fourth proportional to 743,926.80, 1,026,629.19 and 404,402.34 is: 558,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,926.80 : 1,026,629.19 = 404,402.34 : x
  2. Step 2: Convert to fraction form
    743,926.80/1,026,629.19 = 404,402.34/x
  3. Step 3: Cross multiply
    743,926.80x = 1,026,629.19 × 404,402.34
  4. Step 4: Simplify right side
    743,926.80x = 415,171,246,748.31
  5. Step 5: Solve for x
    x = 415,171,246,748.31/743,926.80
  6. Step 6: Final answer
    x = 558,080.78

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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.