Home / 547,259.20-819,333.60-485,051.20

Finding the Fourth Proportional to 547,259.20, 819,333.60 and 485,051.20

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Solution

The fourth proportional to 547,259.20, 819,333.60 and 485,051.20 is: 726,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,259.20 : 819,333.60 = 485,051.20 : x
  2. Step 2: Convert to fraction form
    547,259.20/819,333.60 = 485,051.20/x
  3. Step 3: Cross multiply
    547,259.20x = 819,333.60 × 485,051.20
  4. Step 4: Simplify right side
    547,259.20x = 397,418,745,880.32
  5. Step 5: Solve for x
    x = 397,418,745,880.32/547,259.20
  6. Step 6: Final answer
    x = 726,198.38

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1.5x scale

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.