Home / 939,771.70-1,409,657.55-308,533.30

Finding the Fourth Proportional to 939,771.70, 1,409,657.55 and 308,533.30

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Solution

The fourth proportional to 939,771.70, 1,409,657.55 and 308,533.30 is: 462,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,771.70 : 1,409,657.55 = 308,533.30 : x
  2. Step 2: Convert to fraction form
    939,771.70/1,409,657.55 = 308,533.30/x
  3. Step 3: Cross multiply
    939,771.70x = 1,409,657.55 × 308,533.30
  4. Step 4: Simplify right side
    939,771.70x = 434,926,295,771.42
  5. Step 5: Solve for x
    x = 434,926,295,771.42/939,771.70
  6. Step 6: Final answer
    x = 462,799.95

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Similar ratio
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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.