Home / 821,907.62-1,232,977.15-253,334.55

Finding the Fourth Proportional to 821,907.62, 1,232,977.15 and 253,334.55

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Solution

The fourth proportional to 821,907.62, 1,232,977.15 and 253,334.55 is: 380,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,907.62 : 1,232,977.15 = 253,334.55 : x
  2. Step 2: Convert to fraction form
    821,907.62/1,232,977.15 = 253,334.55/x
  3. Step 3: Cross multiply
    821,907.62x = 1,232,977.15 × 253,334.55
  4. Step 4: Simplify right side
    821,907.62x = 312,355,706,705.12
  5. Step 5: Solve for x
    x = 312,355,706,705.12/821,907.62
  6. Step 6: Final answer
    x = 380,037.49

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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.