Home / 743,997.12-1,026,676.80-404,463.84

Finding the Fourth Proportional to 743,997.12, 1,026,676.80 and 404,463.84

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Solution

The fourth proportional to 743,997.12, 1,026,676.80 and 404,463.84 is: 558,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,997.12 : 1,026,676.80 = 404,463.84 : x
  2. Step 2: Convert to fraction form
    743,997.12/1,026,676.80 = 404,463.84/x
  3. Step 3: Cross multiply
    743,997.12x = 1,026,676.80 × 404,463.84
  4. Step 4: Simplify right side
    743,997.12x = 415,253,640,966.91
  5. Step 5: Solve for x
    x = 415,253,640,966.91/743,997.12
  6. Step 6: Final answer
    x = 558,138.77

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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.