Home / 850,695.66-1,173,986.58-488,185.82

Finding the Fourth Proportional to 850,695.66, 1,173,986.58 and 488,185.82

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Solution

The fourth proportional to 850,695.66, 1,173,986.58 and 488,185.82 is: 673,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,695.66 : 1,173,986.58 = 488,185.82 : x
  2. Step 2: Convert to fraction form
    850,695.66/1,173,986.58 = 488,185.82/x
  3. Step 3: Cross multiply
    850,695.66x = 1,173,986.58 × 488,185.82
  4. Step 4: Simplify right side
    850,695.66x = 573,123,601,226.30
  5. Step 5: Solve for x
    x = 573,123,601,226.30/850,695.66
  6. Step 6: Final answer
    x = 673,711.68

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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.