Home / 821,986.68-1,232,763.94-245,473.17

Finding the Fourth Proportional to 821,986.68, 1,232,763.94 and 245,473.17

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Solution

The fourth proportional to 821,986.68, 1,232,763.94 and 245,473.17 is: 368,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,986.68 : 1,232,763.94 = 245,473.17 : x
  2. Step 2: Convert to fraction form
    821,986.68/1,232,763.94 = 245,473.17/x
  3. Step 3: Cross multiply
    821,986.68x = 1,232,763.94 × 245,473.17
  4. Step 4: Simplify right side
    821,986.68x = 302,610,467,897.47
  5. Step 5: Solve for x
    x = 302,610,467,897.47/821,986.68
  6. Step 6: Final answer
    x = 368,145.22

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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.