Home / 705,439.78-1,058,440.03-225,741.48

Finding the Fourth Proportional to 705,439.78, 1,058,440.03 and 225,741.48

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Solution

The fourth proportional to 705,439.78, 1,058,440.03 and 225,741.48 is: 338,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,439.78 : 1,058,440.03 = 225,741.48 : x
  2. Step 2: Convert to fraction form
    705,439.78/1,058,440.03 = 225,741.48/x
  3. Step 3: Cross multiply
    705,439.78x = 1,058,440.03 × 225,741.48
  4. Step 4: Simplify right side
    705,439.78x = 238,933,819,427.80
  5. Step 5: Solve for x
    x = 238,933,819,427.80/705,439.78
  6. Step 6: Final answer
    x = 338,701.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.