Home / 880,323.39-1,319,989.37-281,143.71

Finding the Fourth Proportional to 880,323.39, 1,319,989.37 and 281,143.71

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Solution

The fourth proportional to 880,323.39, 1,319,989.37 and 281,143.71 is: 421,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,323.39 : 1,319,989.37 = 281,143.71 : x
  2. Step 2: Convert to fraction form
    880,323.39/1,319,989.37 = 281,143.71/x
  3. Step 3: Cross multiply
    880,323.39x = 1,319,989.37 × 281,143.71
  4. Step 4: Simplify right side
    880,323.39x = 371,106,707,236.64
  5. Step 5: Solve for x
    x = 371,106,707,236.64/880,323.39
  6. Step 6: Final answer
    x = 421,557.25

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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.