Home / 767,027.22-1,058,560.56-422,894.67

Finding the Fourth Proportional to 767,027.22, 1,058,560.56 and 422,894.67

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Solution

The fourth proportional to 767,027.22, 1,058,560.56 and 422,894.67 is: 583,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,027.22 : 1,058,560.56 = 422,894.67 : x
  2. Step 2: Convert to fraction form
    767,027.22/1,058,560.56 = 422,894.67/x
  3. Step 3: Cross multiply
    767,027.22x = 1,058,560.56 × 422,894.67
  4. Step 4: Simplify right side
    767,027.22x = 447,659,618,696.22
  5. Step 5: Solve for x
    x = 447,659,618,696.22/767,027.22
  6. Step 6: Final answer
    x = 583,629.38

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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.