Home / 689,223.94-1,033,836.82-334,290.24

Finding the Fourth Proportional to 689,223.94, 1,033,836.82 and 334,290.24

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Solution

The fourth proportional to 689,223.94, 1,033,836.82 and 334,290.24 is: 501,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,223.94 : 1,033,836.82 = 334,290.24 : x
  2. Step 2: Convert to fraction form
    689,223.94/1,033,836.82 = 334,290.24/x
  3. Step 3: Cross multiply
    689,223.94x = 1,033,836.82 × 334,290.24
  4. Step 4: Simplify right side
    689,223.94x = 345,601,557,842.91
  5. Step 5: Solve for x
    x = 345,601,557,842.91/689,223.94
  6. Step 6: Final answer
    x = 501,435.80

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Double scale
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Similar ratio
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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.