Home / 767,141.39-1,058,662.26-422,989.67

Finding the Fourth Proportional to 767,141.39, 1,058,662.26 and 422,989.67

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Solution

The fourth proportional to 767,141.39, 1,058,662.26 and 422,989.67 is: 583,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,141.39 : 1,058,662.26 = 422,989.67 : x
  2. Step 2: Convert to fraction form
    767,141.39/1,058,662.26 = 422,989.67/x
  3. Step 3: Cross multiply
    767,141.39x = 1,058,662.26 × 422,989.67
  4. Step 4: Simplify right side
    767,141.39x = 447,803,194,705.54
  5. Step 5: Solve for x
    x = 447,803,194,705.54/767,141.39
  6. Step 6: Final answer
    x = 583,729.68

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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.