Home / 889,969.20-1,335,828.60-441,196.80

Finding the Fourth Proportional to 889,969.20, 1,335,828.60 and 441,196.80

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Solution

The fourth proportional to 889,969.20, 1,335,828.60 and 441,196.80 is: 662,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,969.20 : 1,335,828.60 = 441,196.80 : x
  2. Step 2: Convert to fraction form
    889,969.20/1,335,828.60 = 441,196.80/x
  3. Step 3: Cross multiply
    889,969.20x = 1,335,828.60 × 441,196.80
  4. Step 4: Simplify right side
    889,969.20x = 589,363,303,668.48
  5. Step 5: Solve for x
    x = 589,363,303,668.48/889,969.20
  6. Step 6: Final answer
    x = 662,228.88

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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.