Home / 888,969.72-1,333,582.96-289,782.74

Finding the Fourth Proportional to 888,969.72, 1,333,582.96 and 289,782.74

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Solution

The fourth proportional to 888,969.72, 1,333,582.96 and 289,782.74 is: 434,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,969.72 : 1,333,582.96 = 289,782.74 : x
  2. Step 2: Convert to fraction form
    888,969.72/1,333,582.96 = 289,782.74/x
  3. Step 3: Cross multiply
    888,969.72x = 1,333,582.96 × 289,782.74
  4. Step 4: Simplify right side
    888,969.72x = 386,449,324,166.11
  5. Step 5: Solve for x
    x = 386,449,324,166.11/888,969.72
  6. Step 6: Final answer
    x = 434,715.96

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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.