Home / 766,769.91-1,058,142.51-444,666.81

Finding the Fourth Proportional to 766,769.91, 1,058,142.51 and 444,666.81

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Solution

The fourth proportional to 766,769.91, 1,058,142.51 and 444,666.81 is: 613,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,769.91 : 1,058,142.51 = 444,666.81 : x
  2. Step 2: Convert to fraction form
    766,769.91/1,058,142.51 = 444,666.81/x
  3. Step 3: Cross multiply
    766,769.91x = 1,058,142.51 × 444,666.81
  4. Step 4: Simplify right side
    766,769.91x = 470,520,854,447.09
  5. Step 5: Solve for x
    x = 470,520,854,447.09/766,769.91
  6. Step 6: Final answer
    x = 613,640.22

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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.