Home / 767,255.46-1,058,817.06-445,157.34

Finding the Fourth Proportional to 767,255.46, 1,058,817.06 and 445,157.34

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Solution

The fourth proportional to 767,255.46, 1,058,817.06 and 445,157.34 is: 614,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,255.46 : 1,058,817.06 = 445,157.34 : x
  2. Step 2: Convert to fraction form
    767,255.46/1,058,817.06 = 445,157.34/x
  3. Step 3: Cross multiply
    767,255.46x = 1,058,817.06 × 445,157.34
  4. Step 4: Simplify right side
    767,255.46x = 471,340,185,976.22
  5. Step 5: Solve for x
    x = 471,340,185,976.22/767,255.46
  6. Step 6: Final answer
    x = 614,319.75

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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.