Home / 717,747.08-1,076,768.26-493,213.25

Finding the Fourth Proportional to 717,747.08, 1,076,768.26 and 493,213.25

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Solution

The fourth proportional to 717,747.08, 1,076,768.26 and 493,213.25 is: 739,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,747.08 : 1,076,768.26 = 493,213.25 : x
  2. Step 2: Convert to fraction form
    717,747.08/1,076,768.26 = 493,213.25/x
  3. Step 3: Cross multiply
    717,747.08x = 1,076,768.26 × 493,213.25
  4. Step 4: Simplify right side
    717,747.08x = 531,076,374,470.33
  5. Step 5: Solve for x
    x = 531,076,374,470.33/717,747.08
  6. Step 6: Final answer
    x = 739,921.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.