Home / 766,768.85-1,058,145.21-444,669.92

Finding the Fourth Proportional to 766,768.85, 1,058,145.21 and 444,669.92

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Solution

The fourth proportional to 766,768.85, 1,058,145.21 and 444,669.92 is: 613,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,768.85 : 1,058,145.21 = 444,669.92 : x
  2. Step 2: Convert to fraction form
    766,768.85/1,058,145.21 = 444,669.92/x
  3. Step 3: Cross multiply
    766,768.85x = 1,058,145.21 × 444,669.92
  4. Step 4: Simplify right side
    766,768.85x = 470,525,345,879.08
  5. Step 5: Solve for x
    x = 470,525,345,879.08/766,768.85
  6. Step 6: Final answer
    x = 613,646.92

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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.