Home / 850,693.28-1,173,983.31-488,183.45

Finding the Fourth Proportional to 850,693.28, 1,173,983.31 and 488,183.45

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Solution

The fourth proportional to 850,693.28, 1,173,983.31 and 488,183.45 is: 673,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,693.28 : 1,173,983.31 = 488,183.45 : x
  2. Step 2: Convert to fraction form
    850,693.28/1,173,983.31 = 488,183.45/x
  3. Step 3: Cross multiply
    850,693.28x = 1,173,983.31 × 488,183.45
  4. Step 4: Simplify right side
    850,693.28x = 573,119,222,518.22
  5. Step 5: Solve for x
    x = 573,119,222,518.22/850,693.28
  6. Step 6: Final answer
    x = 673,708.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.