Home / 767,026.08-1,058,498.55-422,854.20

Finding the Fourth Proportional to 767,026.08, 1,058,498.55 and 422,854.20

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Solution

The fourth proportional to 767,026.08, 1,058,498.55 and 422,854.20 is: 583,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,026.08 : 1,058,498.55 = 422,854.20 : x
  2. Step 2: Convert to fraction form
    767,026.08/1,058,498.55 = 422,854.20/x
  3. Step 3: Cross multiply
    767,026.08x = 1,058,498.55 × 422,854.20
  4. Step 4: Simplify right side
    767,026.08x = 447,590,557,561.41
  5. Step 5: Solve for x
    x = 447,590,557,561.41/767,026.08
  6. Step 6: Final answer
    x = 583,540.21

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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.