Home / 831,844.06-1,147,665.64-678,617.38

Finding the Fourth Proportional to 831,844.06, 1,147,665.64 and 678,617.38

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Solution

The fourth proportional to 831,844.06, 1,147,665.64 and 678,617.38 is: 936,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,844.06 : 1,147,665.64 = 678,617.38 : x
  2. Step 2: Convert to fraction form
    831,844.06/1,147,665.64 = 678,617.38/x
  3. Step 3: Cross multiply
    831,844.06x = 1,147,665.64 × 678,617.38
  4. Step 4: Simplify right side
    831,844.06x = 778,825,842,379.04
  5. Step 5: Solve for x
    x = 778,825,842,379.04/831,844.06
  6. Step 6: Final answer
    x = 936,264.23

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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.