Home / 922,014.72-1,383,022.32-290,977.92

Finding the Fourth Proportional to 922,014.72, 1,383,022.32 and 290,977.92

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Solution

The fourth proportional to 922,014.72, 1,383,022.32 and 290,977.92 is: 436,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,014.72 : 1,383,022.32 = 290,977.92 : x
  2. Step 2: Convert to fraction form
    922,014.72/1,383,022.32 = 290,977.92/x
  3. Step 3: Cross multiply
    922,014.72x = 1,383,022.32 × 290,977.92
  4. Step 4: Simplify right side
    922,014.72x = 402,428,957,987.17
  5. Step 5: Solve for x
    x = 402,428,957,987.17/922,014.72
  6. Step 6: Final answer
    x = 436,466.96

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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.