Home / 829,853.20-1,244,779.80-230,813.20

Finding the Fourth Proportional to 829,853.20, 1,244,779.80 and 230,813.20

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Solution

The fourth proportional to 829,853.20, 1,244,779.80 and 230,813.20 is: 346,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,853.20 : 1,244,779.80 = 230,813.20 : x
  2. Step 2: Convert to fraction form
    829,853.20/1,244,779.80 = 230,813.20/x
  3. Step 3: Cross multiply
    829,853.20x = 1,244,779.80 × 230,813.20
  4. Step 4: Simplify right side
    829,853.20x = 287,311,608,933.36
  5. Step 5: Solve for x
    x = 287,311,608,933.36/829,853.20
  6. Step 6: Final answer
    x = 346,219.80

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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.