Home / 850,276.87-1,275,482.75-281,635.00

Finding the Fourth Proportional to 850,276.87, 1,275,482.75 and 281,635.00

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Solution

The fourth proportional to 850,276.87, 1,275,482.75 and 281,635.00 is: 422,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,276.87 : 1,275,482.75 = 281,635.00 : x
  2. Step 2: Convert to fraction form
    850,276.87/1,275,482.75 = 281,635.00/x
  3. Step 3: Cross multiply
    850,276.87x = 1,275,482.75 × 281,635.00
  4. Step 4: Simplify right side
    850,276.87x = 359,220,579,699.37
  5. Step 5: Solve for x
    x = 359,220,579,699.37/850,276.87
  6. Step 6: Final answer
    x = 422,474.84

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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.