Home / 889,171.68-1,333,086.75-289,774.92

Finding the Fourth Proportional to 889,171.68, 1,333,086.75 and 289,774.92

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Solution

The fourth proportional to 889,171.68, 1,333,086.75 and 289,774.92 is: 434,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,171.68 : 1,333,086.75 = 289,774.92 : x
  2. Step 2: Convert to fraction form
    889,171.68/1,333,086.75 = 289,774.92/x
  3. Step 3: Cross multiply
    889,171.68x = 1,333,086.75 × 289,774.92
  4. Step 4: Simplify right side
    889,171.68x = 386,295,106,334.31
  5. Step 5: Solve for x
    x = 386,295,106,334.31/889,171.68
  6. Step 6: Final answer
    x = 434,443.78

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1.5x scale

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.