Home / 893,999.70-1,340,999.55-220,075.65

Finding the Fourth Proportional to 893,999.70, 1,340,999.55 and 220,075.65

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Solution

The fourth proportional to 893,999.70, 1,340,999.55 and 220,075.65 is: 330,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,999.70 : 1,340,999.55 = 220,075.65 : x
  2. Step 2: Convert to fraction form
    893,999.70/1,340,999.55 = 220,075.65/x
  3. Step 3: Cross multiply
    893,999.70x = 1,340,999.55 × 220,075.65
  4. Step 4: Simplify right side
    893,999.70x = 295,121,347,615.96
  5. Step 5: Solve for x
    x = 295,121,347,615.96/893,999.70
  6. Step 6: Final answer
    x = 330,113.48

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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.