Home / 767,270.56-1,058,809.08-423,121

Finding the Fourth Proportional to 767,270.56, 1,058,809.08 and 423,121

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Solution

The fourth proportional to 767,270.56, 1,058,809.08 and 423,121 is: 583,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,270.56 : 1,058,809.08 = 423,121 : x
  2. Step 2: Convert to fraction form
    767,270.56/1,058,809.08 = 423,121/x
  3. Step 3: Cross multiply
    767,270.56x = 1,058,809.08 × 423,121
  4. Step 4: Simplify right side
    767,270.56x = 448,004,356,738.68
  5. Step 5: Solve for x
    x = 448,004,356,738.68/767,270.56
  6. Step 6: Final answer
    x = 583,893.58

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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.