Home / 766,399.93-1,057,632.22-444,296.77

Finding the Fourth Proportional to 766,399.93, 1,057,632.22 and 444,296.77

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Solution

The fourth proportional to 766,399.93, 1,057,632.22 and 444,296.77 is: 613,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,399.93 : 1,057,632.22 = 444,296.77 : x
  2. Step 2: Convert to fraction form
    766,399.93/1,057,632.22 = 444,296.77/x
  3. Step 3: Cross multiply
    766,399.93x = 1,057,632.22 × 444,296.77
  4. Step 4: Simplify right side
    766,399.93x = 469,902,579,193.93
  5. Step 5: Solve for x
    x = 469,902,579,193.93/766,399.93
  6. Step 6: Final answer
    x = 613,129.73

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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.