Home / 850,824.80-1,276,150.80-289,851.20

Finding the Fourth Proportional to 850,824.80, 1,276,150.80 and 289,851.20

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Solution

The fourth proportional to 850,824.80, 1,276,150.80 and 289,851.20 is: 434,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,824.80 : 1,276,150.80 = 289,851.20 : x
  2. Step 2: Convert to fraction form
    850,824.80/1,276,150.80 = 289,851.20/x
  3. Step 3: Cross multiply
    850,824.80x = 1,276,150.80 × 289,851.20
  4. Step 4: Simplify right side
    850,824.80x = 369,893,840,760.96
  5. Step 5: Solve for x
    x = 369,893,840,760.96/850,824.80
  6. Step 6: Final answer
    x = 434,747.37

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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.