Home / 880,326.28-1,319,993.67-281,146.60

Finding the Fourth Proportional to 880,326.28, 1,319,993.67 and 281,146.60

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Solution

The fourth proportional to 880,326.28, 1,319,993.67 and 281,146.60 is: 421,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,326.28 : 1,319,993.67 = 281,146.60 : x
  2. Step 2: Convert to fraction form
    880,326.28/1,319,993.67 = 281,146.60/x
  3. Step 3: Cross multiply
    880,326.28x = 1,319,993.67 × 281,146.60
  4. Step 4: Simplify right side
    880,326.28x = 371,111,732,342.02
  5. Step 5: Solve for x
    x = 371,111,732,342.02/880,326.28
  6. Step 6: Final answer
    x = 421,561.57

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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.