Home / 771,466.98-1,157,383.89-321,938.04

Finding the Fourth Proportional to 771,466.98, 1,157,383.89 and 321,938.04

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Solution

The fourth proportional to 771,466.98, 1,157,383.89 and 321,938.04 is: 482,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,466.98 : 1,157,383.89 = 321,938.04 : x
  2. Step 2: Convert to fraction form
    771,466.98/1,157,383.89 = 321,938.04/x
  3. Step 3: Cross multiply
    771,466.98x = 1,157,383.89 × 321,938.04
  4. Step 4: Simplify right side
    771,466.98x = 372,605,901,074.18
  5. Step 5: Solve for x
    x = 372,605,901,074.18/771,466.98
  6. Step 6: Final answer
    x = 482,983.60

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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.