Home / 689,200.20-1,033,376.94-267,985.08

Finding the Fourth Proportional to 689,200.20, 1,033,376.94 and 267,985.08

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Solution

The fourth proportional to 689,200.20, 1,033,376.94 and 267,985.08 is: 401,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,200.20 : 1,033,376.94 = 267,985.08 : x
  2. Step 2: Convert to fraction form
    689,200.20/1,033,376.94 = 267,985.08/x
  3. Step 3: Cross multiply
    689,200.20x = 1,033,376.94 × 267,985.08
  4. Step 4: Simplify right side
    689,200.20x = 276,929,601,936.06
  5. Step 5: Solve for x
    x = 276,929,601,936.06/689,200.20
  6. Step 6: Final answer
    x = 401,813.00

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1.5x scale

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.