Home / 850,037.76-1,274,814.72-289,059.84

Finding the Fourth Proportional to 850,037.76, 1,274,814.72 and 289,059.84

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Solution

The fourth proportional to 850,037.76, 1,274,814.72 and 289,059.84 is: 433,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,037.76 : 1,274,814.72 = 289,059.84 : x
  2. Step 2: Convert to fraction form
    850,037.76/1,274,814.72 = 289,059.84/x
  3. Step 3: Cross multiply
    850,037.76x = 1,274,814.72 × 289,059.84
  4. Step 4: Simplify right side
    850,037.76x = 368,497,738,992.85
  5. Step 5: Solve for x
    x = 368,497,738,992.85/850,037.76
  6. Step 6: Final answer
    x = 433,507.49

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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.