Home / 855,794.40-1,283,205.60-323,332.80

Finding the Fourth Proportional to 855,794.40, 1,283,205.60 and 323,332.80

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Solution

The fourth proportional to 855,794.40, 1,283,205.60 and 323,332.80 is: 484,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,794.40 : 1,283,205.60 = 323,332.80 : x
  2. Step 2: Convert to fraction form
    855,794.40/1,283,205.60 = 323,332.80/x
  3. Step 3: Cross multiply
    855,794.40x = 1,283,205.60 × 323,332.80
  4. Step 4: Simplify right side
    855,794.40x = 414,902,459,623.68
  5. Step 5: Solve for x
    x = 414,902,459,623.68/855,794.40
  6. Step 6: Final answer
    x = 484,815.58

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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.