Home / 548,037.20-822,055.80-312,107.60

Finding the Fourth Proportional to 548,037.20, 822,055.80 and 312,107.60

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Solution

The fourth proportional to 548,037.20, 822,055.80 and 312,107.60 is: 468,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,037.20 : 822,055.80 = 312,107.60 : x
  2. Step 2: Convert to fraction form
    548,037.20/822,055.80 = 312,107.60/x
  3. Step 3: Cross multiply
    548,037.20x = 822,055.80 × 312,107.60
  4. Step 4: Simplify right side
    548,037.20x = 256,569,862,804.08
  5. Step 5: Solve for x
    x = 256,569,862,804.08/548,037.20
  6. Step 6: Final answer
    x = 468,161.40

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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.