Home / 547,005.49-820,089.93-451,936.60

Finding the Fourth Proportional to 547,005.49, 820,089.93 and 451,936.60

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Solution

The fourth proportional to 547,005.49, 820,089.93 and 451,936.60 is: 677,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,005.49 : 820,089.93 = 451,936.60 : x
  2. Step 2: Convert to fraction form
    547,005.49/820,089.93 = 451,936.60/x
  3. Step 3: Cross multiply
    547,005.49x = 820,089.93 × 451,936.60
  4. Step 4: Simplify right side
    547,005.49x = 370,628,650,557.99
  5. Step 5: Solve for x
    x = 370,628,650,557.99/547,005.49
  6. Step 6: Final answer
    x = 677,559.29

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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.