Home / 833,942.81-1,150,964.62-528,047.64

Finding the Fourth Proportional to 833,942.81, 1,150,964.62 and 528,047.64

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Solution

The fourth proportional to 833,942.81, 1,150,964.62 and 528,047.64 is: 728,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,942.81 : 1,150,964.62 = 528,047.64 : x
  2. Step 2: Convert to fraction form
    833,942.81/1,150,964.62 = 528,047.64/x
  3. Step 3: Cross multiply
    833,942.81x = 1,150,964.62 × 528,047.64
  4. Step 4: Simplify right side
    833,942.81x = 607,764,149,994.38
  5. Step 5: Solve for x
    x = 607,764,149,994.38/833,942.81
  6. Step 6: Final answer
    x = 728,783.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.