Home / 828,940.30-1,244,066.55-323,743.30

Finding the Fourth Proportional to 828,940.30, 1,244,066.55 and 323,743.30

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Solution

The fourth proportional to 828,940.30, 1,244,066.55 and 323,743.30 is: 485,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,940.30 : 1,244,066.55 = 323,743.30 : x
  2. Step 2: Convert to fraction form
    828,940.30/1,244,066.55 = 323,743.30/x
  3. Step 3: Cross multiply
    828,940.30x = 1,244,066.55 × 323,743.30
  4. Step 4: Simplify right side
    828,940.30x = 402,758,210,316.62
  5. Step 5: Solve for x
    x = 402,758,210,316.62/828,940.30
  6. Step 6: Final answer
    x = 485,871.19

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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.