Home / 707,940.80-1,061,911.20-334,692.80

Finding the Fourth Proportional to 707,940.80, 1,061,911.20 and 334,692.80

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Solution

The fourth proportional to 707,940.80, 1,061,911.20 and 334,692.80 is: 502,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,940.80 : 1,061,911.20 = 334,692.80 : x
  2. Step 2: Convert to fraction form
    707,940.80/1,061,911.20 = 334,692.80/x
  3. Step 3: Cross multiply
    707,940.80x = 1,061,911.20 × 334,692.80
  4. Step 4: Simplify right side
    707,940.80x = 355,414,032,879.36
  5. Step 5: Solve for x
    x = 355,414,032,879.36/707,940.80
  6. Step 6: Final answer
    x = 502,039.20

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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.