Home / 766,400.81-1,057,633.43-444,297.65

Finding the Fourth Proportional to 766,400.81, 1,057,633.43 and 444,297.65

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Solution

The fourth proportional to 766,400.81, 1,057,633.43 and 444,297.65 is: 613,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,400.81 : 1,057,633.43 = 444,297.65 : x
  2. Step 2: Convert to fraction form
    766,400.81/1,057,633.43 = 444,297.65/x
  3. Step 3: Cross multiply
    766,400.81x = 1,057,633.43 × 444,297.65
  4. Step 4: Simplify right side
    766,400.81x = 469,904,040,000.78
  5. Step 5: Solve for x
    x = 469,904,040,000.78/766,400.81
  6. Step 6: Final answer
    x = 613,130.93

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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.