Home / 689,300.20-1,033,526.94-268,085.08

Finding the Fourth Proportional to 689,300.20, 1,033,526.94 and 268,085.08

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Solution

The fourth proportional to 689,300.20, 1,033,526.94 and 268,085.08 is: 401,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,300.20 : 1,033,526.94 = 268,085.08 : x
  2. Step 2: Convert to fraction form
    689,300.20/1,033,526.94 = 268,085.08/x
  3. Step 3: Cross multiply
    689,300.20x = 1,033,526.94 × 268,085.08
  4. Step 4: Simplify right side
    689,300.20x = 277,073,152,392.06
  5. Step 5: Solve for x
    x = 277,073,152,392.06/689,300.20
  6. Step 6: Final answer
    x = 401,962.97

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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.