Home / 776,084.40-1,162,725.60-325,999.80

Finding the Fourth Proportional to 776,084.40, 1,162,725.60 and 325,999.80

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Solution

The fourth proportional to 776,084.40, 1,162,725.60 and 325,999.80 is: 488,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,084.40 : 1,162,725.60 = 325,999.80 : x
  2. Step 2: Convert to fraction form
    776,084.40/1,162,725.60 = 325,999.80/x
  3. Step 3: Cross multiply
    776,084.40x = 1,162,725.60 × 325,999.80
  4. Step 4: Simplify right side
    776,084.40x = 379,048,313,054.88
  5. Step 5: Solve for x
    x = 379,048,313,054.88/776,084.40
  6. Step 6: Final answer
    x = 488,411.20

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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.