Home / 670,058.34-1,005,235.74-220,761.06

Finding the Fourth Proportional to 670,058.34, 1,005,235.74 and 220,761.06

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Solution

The fourth proportional to 670,058.34, 1,005,235.74 and 220,761.06 is: 331,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,058.34 : 1,005,235.74 = 220,761.06 : x
  2. Step 2: Convert to fraction form
    670,058.34/1,005,235.74 = 220,761.06/x
  3. Step 3: Cross multiply
    670,058.34x = 1,005,235.74 × 220,761.06
  4. Step 4: Simplify right side
    670,058.34x = 221,916,907,512.28
  5. Step 5: Solve for x
    x = 221,916,907,512.28/670,058.34
  6. Step 6: Final answer
    x = 331,190.43

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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.