Home / 880,055.64-1,320,072.30-281,009.25

Finding the Fourth Proportional to 880,055.64, 1,320,072.30 and 281,009.25

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Solution

The fourth proportional to 880,055.64, 1,320,072.30 and 281,009.25 is: 421,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,055.64 : 1,320,072.30 = 281,009.25 : x
  2. Step 2: Convert to fraction form
    880,055.64/1,320,072.30 = 281,009.25/x
  3. Step 3: Cross multiply
    880,055.64x = 1,320,072.30 × 281,009.25
  4. Step 4: Simplify right side
    880,055.64x = 370,952,526,968.78
  5. Step 5: Solve for x
    x = 370,952,526,968.78/880,055.64
  6. Step 6: Final answer
    x = 421,510.31

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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.