Home / 548,558.20-822,837.30-455,246.20

Finding the Fourth Proportional to 548,558.20, 822,837.30 and 455,246.20

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Solution

The fourth proportional to 548,558.20, 822,837.30 and 455,246.20 is: 682,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,558.20 : 822,837.30 = 455,246.20 : x
  2. Step 2: Convert to fraction form
    548,558.20/822,837.30 = 455,246.20/x
  3. Step 3: Cross multiply
    548,558.20x = 822,837.30 × 455,246.20
  4. Step 4: Simplify right side
    548,558.20x = 374,593,554,043.26
  5. Step 5: Solve for x
    x = 374,593,554,043.26/548,558.20
  6. Step 6: Final answer
    x = 682,869.30

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Half scale
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Double scale
Find fourth proportional to 548,559.20, 822,838.80 and 455,247.20
Similar ratio
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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.