Home / 881,669.72-1,322,465.70-282,660.96

Finding the Fourth Proportional to 881,669.72, 1,322,465.70 and 282,660.96

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Solution

The fourth proportional to 881,669.72, 1,322,465.70 and 282,660.96 is: 423,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,669.72 : 1,322,465.70 = 282,660.96 : x
  2. Step 2: Convert to fraction form
    881,669.72/1,322,465.70 = 282,660.96/x
  3. Step 3: Cross multiply
    881,669.72x = 1,322,465.70 × 282,660.96
  4. Step 4: Simplify right side
    881,669.72x = 373,809,424,329.07
  5. Step 5: Solve for x
    x = 373,809,424,329.07/881,669.72
  6. Step 6: Final answer
    x = 423,978.98

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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.