Home / 816,168.60-1,224,252.90-317,532.60

Finding the Fourth Proportional to 816,168.60, 1,224,252.90 and 317,532.60

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Solution

The fourth proportional to 816,168.60, 1,224,252.90 and 317,532.60 is: 476,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,168.60 : 1,224,252.90 = 317,532.60 : x
  2. Step 2: Convert to fraction form
    816,168.60/1,224,252.90 = 317,532.60/x
  3. Step 3: Cross multiply
    816,168.60x = 1,224,252.90 × 317,532.60
  4. Step 4: Simplify right side
    816,168.60x = 388,740,206,394.54
  5. Step 5: Solve for x
    x = 388,740,206,394.54/816,168.60
  6. Step 6: Final answer
    x = 476,298.90

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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.