Home / 766,789.80-1,058,174.28-444,690.96

Finding the Fourth Proportional to 766,789.80, 1,058,174.28 and 444,690.96

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Solution

The fourth proportional to 766,789.80, 1,058,174.28 and 444,690.96 is: 613,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,789.80 : 1,058,174.28 = 444,690.96 : x
  2. Step 2: Convert to fraction form
    766,789.80/1,058,174.28 = 444,690.96/x
  3. Step 3: Cross multiply
    766,789.80x = 1,058,174.28 × 444,690.96
  4. Step 4: Simplify right side
    766,789.80x = 470,560,536,420.51
  5. Step 5: Solve for x
    x = 470,560,536,420.51/766,789.80
  6. Step 6: Final answer
    x = 613,676.05

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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.