Home / 767,004.32-1,058,469.18-422,832.36

Finding the Fourth Proportional to 767,004.32, 1,058,469.18 and 422,832.36

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Solution

The fourth proportional to 767,004.32, 1,058,469.18 and 422,832.36 is: 583,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,004.32 : 1,058,469.18 = 422,832.36 : x
  2. Step 2: Convert to fraction form
    767,004.32/1,058,469.18 = 422,832.36/x
  3. Step 3: Cross multiply
    767,004.32x = 1,058,469.18 × 422,832.36
  4. Step 4: Simplify right side
    767,004.32x = 447,555,021,366.67
  5. Step 5: Solve for x
    x = 447,555,021,366.67/767,004.32
  6. Step 6: Final answer
    x = 583,510.43

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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.