Home / 852,690.69-1,279,183.79-347,526.50

Finding the Fourth Proportional to 852,690.69, 1,279,183.79 and 347,526.50

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Solution

The fourth proportional to 852,690.69, 1,279,183.79 and 347,526.50 is: 521,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,690.69 : 1,279,183.79 = 347,526.50 : x
  2. Step 2: Convert to fraction form
    852,690.69/1,279,183.79 = 347,526.50/x
  3. Step 3: Cross multiply
    852,690.69x = 1,279,183.79 × 347,526.50
  4. Step 4: Simplify right side
    852,690.69x = 444,550,257,261.88
  5. Step 5: Solve for x
    x = 444,550,257,261.88/852,690.69
  6. Step 6: Final answer
    x = 521,349.96

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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.