Home / 841,905.97-1,263,357.26-309,800.67

Finding the Fourth Proportional to 841,905.97, 1,263,357.26 and 309,800.67

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Solution

The fourth proportional to 841,905.97, 1,263,357.26 and 309,800.67 is: 464,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,905.97 : 1,263,357.26 = 309,800.67 : x
  2. Step 2: Convert to fraction form
    841,905.97/1,263,357.26 = 309,800.67/x
  3. Step 3: Cross multiply
    841,905.97x = 1,263,357.26 × 309,800.67
  4. Step 4: Simplify right side
    841,905.97x = 391,388,928,755.76
  5. Step 5: Solve for x
    x = 391,388,928,755.76/841,905.97
  6. Step 6: Final answer
    x = 464,884.37

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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.