Home / 842,255.06-1,262,624.43-309,662.24

Finding the Fourth Proportional to 842,255.06, 1,262,624.43 and 309,662.24

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Solution

The fourth proportional to 842,255.06, 1,262,624.43 and 309,662.24 is: 464,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,255.06 : 1,262,624.43 = 309,662.24 : x
  2. Step 2: Convert to fraction form
    842,255.06/1,262,624.43 = 309,662.24/x
  3. Step 3: Cross multiply
    842,255.06x = 1,262,624.43 × 309,662.24
  4. Step 4: Simplify right side
    842,255.06x = 390,987,113,590.32
  5. Step 5: Solve for x
    x = 390,987,113,590.32/842,255.06
  6. Step 6: Final answer
    x = 464,214.62

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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.