Home / 880,467.78-1,320,637.08-281,268.03

Finding the Fourth Proportional to 880,467.78, 1,320,637.08 and 281,268.03

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Solution

The fourth proportional to 880,467.78, 1,320,637.08 and 281,268.03 is: 421,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,467.78 : 1,320,637.08 = 281,268.03 : x
  2. Step 2: Convert to fraction form
    880,467.78/1,320,637.08 = 281,268.03/x
  3. Step 3: Cross multiply
    880,467.78x = 1,320,637.08 × 281,268.03
  4. Step 4: Simplify right side
    880,467.78x = 371,452,989,836.55
  5. Step 5: Solve for x
    x = 371,452,989,836.55/880,467.78
  6. Step 6: Final answer
    x = 421,881.41

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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.