Home / 767,026.72-1,058,559.87-422,894.17

Finding the Fourth Proportional to 767,026.72, 1,058,559.87 and 422,894.17

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Solution

The fourth proportional to 767,026.72, 1,058,559.87 and 422,894.17 is: 583,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,026.72 : 1,058,559.87 = 422,894.17 : x
  2. Step 2: Convert to fraction form
    767,026.72/1,058,559.87 = 422,894.17/x
  3. Step 3: Cross multiply
    767,026.72x = 1,058,559.87 × 422,894.17
  4. Step 4: Simplify right side
    767,026.72x = 447,658,797,618.96
  5. Step 5: Solve for x
    x = 447,658,797,618.96/767,026.72
  6. Step 6: Final answer
    x = 583,628.69

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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.