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Finding the Fourth Proportional to 688,058.60, 949,842.02 and 458,997.48

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Solution

The fourth proportional to 688,058.60, 949,842.02 and 458,997.48 is: 633,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,058.60 : 949,842.02 = 458,997.48 : x
  2. Step 2: Convert to fraction form
    688,058.60/949,842.02 = 458,997.48/x
  3. Step 3: Cross multiply
    688,058.60x = 949,842.02 × 458,997.48
  4. Step 4: Simplify right side
    688,058.60x = 435,975,093,578.11
  5. Step 5: Solve for x
    x = 435,975,093,578.11/688,058.60
  6. Step 6: Final answer
    x = 633,630.76

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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.