Home / 705,012.40-1,056,235.56-629,429.68

Finding the Fourth Proportional to 705,012.40, 1,056,235.56 and 629,429.68

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Solution

The fourth proportional to 705,012.40, 1,056,235.56 and 629,429.68 is: 942,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,012.40 : 1,056,235.56 = 629,429.68 : x
  2. Step 2: Convert to fraction form
    705,012.40/1,056,235.56 = 629,429.68/x
  3. Step 3: Cross multiply
    705,012.40x = 1,056,235.56 × 629,429.68
  4. Step 4: Simplify right side
    705,012.40x = 664,826,010,535.42
  5. Step 5: Solve for x
    x = 664,826,010,535.42/705,012.40
  6. Step 6: Final answer
    x = 942,999.03

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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.