Home / 841,906.97-1,263,358.76-309,801.67

Finding the Fourth Proportional to 841,906.97, 1,263,358.76 and 309,801.67

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Solution

The fourth proportional to 841,906.97, 1,263,358.76 and 309,801.67 is: 464,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,906.97 : 1,263,358.76 = 309,801.67 : x
  2. Step 2: Convert to fraction form
    841,906.97/1,263,358.76 = 309,801.67/x
  3. Step 3: Cross multiply
    841,906.97x = 1,263,358.76 × 309,801.67
  4. Step 4: Simplify right side
    841,906.97x = 391,390,653,657.13
  5. Step 5: Solve for x
    x = 391,390,653,657.13/841,906.97
  6. Step 6: Final answer
    x = 464,885.87

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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.