Home / 888,620.32-1,333,024.34-289,628.36

Finding the Fourth Proportional to 888,620.32, 1,333,024.34 and 289,628.36

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Solution

The fourth proportional to 888,620.32, 1,333,024.34 and 289,628.36 is: 434,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,620.32 : 1,333,024.34 = 289,628.36 : x
  2. Step 2: Convert to fraction form
    888,620.32/1,333,024.34 = 289,628.36/x
  3. Step 3: Cross multiply
    888,620.32x = 1,333,024.34 × 289,628.36
  4. Step 4: Simplify right side
    888,620.32x = 386,081,651,949.02
  5. Step 5: Solve for x
    x = 386,081,651,949.02/888,620.32
  6. Step 6: Final answer
    x = 434,473.13

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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.