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Finding the Fourth Proportional to 533,880.60, 801,015.30 and 218,563.80

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Solution

The fourth proportional to 533,880.60, 801,015.30 and 218,563.80 is: 327,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,880.60 : 801,015.30 = 218,563.80 : x
  2. Step 2: Convert to fraction form
    533,880.60/801,015.30 = 218,563.80/x
  3. Step 3: Cross multiply
    533,880.60x = 801,015.30 × 218,563.80
  4. Step 4: Simplify right side
    533,880.60x = 175,072,947,826.14
  5. Step 5: Solve for x
    x = 175,072,947,826.14/533,880.60
  6. Step 6: Final answer
    x = 327,925.28

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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.