Home / 850,890.30-1,276,334.10-395,232.36

Finding the Fourth Proportional to 850,890.30, 1,276,334.10 and 395,232.36

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Solution

The fourth proportional to 850,890.30, 1,276,334.10 and 395,232.36 is: 592,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,890.30 : 1,276,334.10 = 395,232.36 : x
  2. Step 2: Convert to fraction form
    850,890.30/1,276,334.10 = 395,232.36/x
  3. Step 3: Cross multiply
    850,890.30x = 1,276,334.10 × 395,232.36
  4. Step 4: Simplify right side
    850,890.30x = 504,448,538,491.48
  5. Step 5: Solve for x
    x = 504,448,538,491.48/850,890.30
  6. Step 6: Final answer
    x = 592,847.91

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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.