Home / 777,351.50-1,073,013.54-455,165.18

Finding the Fourth Proportional to 777,351.50, 1,073,013.54 and 455,165.18

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Solution

The fourth proportional to 777,351.50, 1,073,013.54 and 455,165.18 is: 628,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,351.50 : 1,073,013.54 = 455,165.18 : x
  2. Step 2: Convert to fraction form
    777,351.50/1,073,013.54 = 455,165.18/x
  3. Step 3: Cross multiply
    777,351.50x = 1,073,013.54 × 455,165.18
  4. Step 4: Simplify right side
    777,351.50x = 488,398,401,076.54
  5. Step 5: Solve for x
    x = 488,398,401,076.54/777,351.50
  6. Step 6: Final answer
    x = 628,285.15

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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.