Home / 922,188.74-1,383,904.77-323,155.28

Finding the Fourth Proportional to 922,188.74, 1,383,904.77 and 323,155.28

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Solution

The fourth proportional to 922,188.74, 1,383,904.77 and 323,155.28 is: 484,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,188.74 : 1,383,904.77 = 323,155.28 : x
  2. Step 2: Convert to fraction form
    922,188.74/1,383,904.77 = 323,155.28/x
  3. Step 3: Cross multiply
    922,188.74x = 1,383,904.77 × 323,155.28
  4. Step 4: Simplify right side
    922,188.74x = 447,216,133,442.69
  5. Step 5: Solve for x
    x = 447,216,133,442.69/922,188.74
  6. Step 6: Final answer
    x = 484,950.76

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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.