Home / 823,442.81-1,235,282.27-254,873.84

Finding the Fourth Proportional to 823,442.81, 1,235,282.27 and 254,873.84

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Solution

The fourth proportional to 823,442.81, 1,235,282.27 and 254,873.84 is: 382,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,442.81 : 1,235,282.27 = 254,873.84 : x
  2. Step 2: Convert to fraction form
    823,442.81/1,235,282.27 = 254,873.84/x
  3. Step 3: Cross multiply
    823,442.81x = 1,235,282.27 × 254,873.84
  4. Step 4: Simplify right side
    823,442.81x = 314,841,128,188.04
  5. Step 5: Solve for x
    x = 314,841,128,188.04/823,442.81
  6. Step 6: Final answer
    x = 382,347.29

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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.