Home / 828,245.28-1,242,395.55-229,156.32

Finding the Fourth Proportional to 828,245.28, 1,242,395.55 and 229,156.32

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Solution

The fourth proportional to 828,245.28, 1,242,395.55 and 229,156.32 is: 343,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,245.28 : 1,242,395.55 = 229,156.32 : x
  2. Step 2: Convert to fraction form
    828,245.28/1,242,395.55 = 229,156.32/x
  3. Step 3: Cross multiply
    828,245.28x = 1,242,395.55 × 229,156.32
  4. Step 4: Simplify right side
    828,245.28x = 284,702,792,222.38
  5. Step 5: Solve for x
    x = 284,702,792,222.38/828,245.28
  6. Step 6: Final answer
    x = 343,742.12

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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.