Home / 821,492.55-1,232,145.39-222,500.40

Finding the Fourth Proportional to 821,492.55, 1,232,145.39 and 222,500.40

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Solution

The fourth proportional to 821,492.55, 1,232,145.39 and 222,500.40 is: 333,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,492.55 : 1,232,145.39 = 222,500.40 : x
  2. Step 2: Convert to fraction form
    821,492.55/1,232,145.39 = 222,500.40/x
  3. Step 3: Cross multiply
    821,492.55x = 1,232,145.39 × 222,500.40
  4. Step 4: Simplify right side
    821,492.55x = 274,152,842,133.16
  5. Step 5: Solve for x
    x = 274,152,842,133.16/821,492.55
  6. Step 6: Final answer
    x = 333,725.29

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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.