Home / 767,058.97-1,058,542.55-427,519.93

Finding the Fourth Proportional to 767,058.97, 1,058,542.55 and 427,519.93

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Solution

The fourth proportional to 767,058.97, 1,058,542.55 and 427,519.93 is: 589,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,058.97 : 1,058,542.55 = 427,519.93 : x
  2. Step 2: Convert to fraction form
    767,058.97/1,058,542.55 = 427,519.93/x
  3. Step 3: Cross multiply
    767,058.97x = 1,058,542.55 × 427,519.93
  4. Step 4: Simplify right side
    767,058.97x = 452,548,034,740.42
  5. Step 5: Solve for x
    x = 452,548,034,740.42/767,058.97
  6. Step 6: Final answer
    x = 589,978.15

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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.