Home / 795,278.34-1,193,442.39-421,563.78

Finding the Fourth Proportional to 795,278.34, 1,193,442.39 and 421,563.78

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Solution

The fourth proportional to 795,278.34, 1,193,442.39 and 421,563.78 is: 632,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,278.34 : 1,193,442.39 = 421,563.78 : x
  2. Step 2: Convert to fraction form
    795,278.34/1,193,442.39 = 421,563.78/x
  3. Step 3: Cross multiply
    795,278.34x = 1,193,442.39 × 421,563.78
  4. Step 4: Simplify right side
    795,278.34x = 503,112,085,140.63
  5. Step 5: Solve for x
    x = 503,112,085,140.63/795,278.34
  6. Step 6: Final answer
    x = 632,623.90

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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.