Home / 842,270.63-1,262,647.78-309,677.81

Finding the Fourth Proportional to 842,270.63, 1,262,647.78 and 309,677.81

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Solution

The fourth proportional to 842,270.63, 1,262,647.78 and 309,677.81 is: 464,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,270.63 : 1,262,647.78 = 309,677.81 : x
  2. Step 2: Convert to fraction form
    842,270.63/1,262,647.78 = 309,677.81/x
  3. Step 3: Cross multiply
    842,270.63x = 1,262,647.78 × 309,677.81
  4. Step 4: Simplify right side
    842,270.63x = 391,013,992,224.33
  5. Step 5: Solve for x
    x = 391,013,992,224.33/842,270.63
  6. Step 6: Final answer
    x = 464,237.95

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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.