Home / 766,713.01-1,058,071.11-422,561.22

Finding the Fourth Proportional to 766,713.01, 1,058,071.11 and 422,561.22

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Solution

The fourth proportional to 766,713.01, 1,058,071.11 and 422,561.22 is: 583,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,713.01 : 1,058,071.11 = 422,561.22 : x
  2. Step 2: Convert to fraction form
    766,713.01/1,058,071.11 = 422,561.22/x
  3. Step 3: Cross multiply
    766,713.01x = 1,058,071.11 × 422,561.22
  4. Step 4: Simplify right side
    766,713.01x = 447,099,819,487.63
  5. Step 5: Solve for x
    x = 447,099,819,487.63/766,713.01
  6. Step 6: Final answer
    x = 583,138.43

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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.