Home / 766,784.80-1,058,163.06-444,681.73

Finding the Fourth Proportional to 766,784.80, 1,058,163.06 and 444,681.73

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Solution

The fourth proportional to 766,784.80, 1,058,163.06 and 444,681.73 is: 613,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,784.80 : 1,058,163.06 = 444,681.73 : x
  2. Step 2: Convert to fraction form
    766,784.80/1,058,163.06 = 444,681.73/x
  3. Step 3: Cross multiply
    766,784.80x = 1,058,163.06 × 444,681.73
  4. Step 4: Simplify right side
    766,784.80x = 470,545,780,142.89
  5. Step 5: Solve for x
    x = 470,545,780,142.89/766,784.80
  6. Step 6: Final answer
    x = 613,660.81

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Double scale
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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.