Home / 828,007.16-1,242,150.66-259,276.08

Finding the Fourth Proportional to 828,007.16, 1,242,150.66 and 259,276.08

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Solution

The fourth proportional to 828,007.16, 1,242,150.66 and 259,276.08 is: 388,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,007.16 : 1,242,150.66 = 259,276.08 : x
  2. Step 2: Convert to fraction form
    828,007.16/1,242,150.66 = 259,276.08/x
  3. Step 3: Cross multiply
    828,007.16x = 1,242,150.66 × 259,276.08
  4. Step 4: Simplify right side
    828,007.16x = 322,059,958,552.28
  5. Step 5: Solve for x
    x = 322,059,958,552.28/828,007.16
  6. Step 6: Final answer
    x = 388,957.94

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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.