Home / 767,044.88-1,058,558.16-427,515.60

Finding the Fourth Proportional to 767,044.88, 1,058,558.16 and 427,515.60

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Solution

The fourth proportional to 767,044.88, 1,058,558.16 and 427,515.60 is: 589,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,044.88 : 1,058,558.16 = 427,515.60 : x
  2. Step 2: Convert to fraction form
    767,044.88/1,058,558.16 = 427,515.60/x
  3. Step 3: Cross multiply
    767,044.88x = 1,058,558.16 × 427,515.60
  4. Step 4: Simplify right side
    767,044.88x = 452,550,126,907.30
  5. Step 5: Solve for x
    x = 452,550,126,907.30/767,044.88
  6. Step 6: Final answer
    x = 589,991.72

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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.