Home / 874,361.19-1,311,588.60-275,368.98

Finding the Fourth Proportional to 874,361.19, 1,311,588.60 and 275,368.98

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Solution

The fourth proportional to 874,361.19, 1,311,588.60 and 275,368.98 is: 413,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,361.19 : 1,311,588.60 = 275,368.98 : x
  2. Step 2: Convert to fraction form
    874,361.19/1,311,588.60 = 275,368.98/x
  3. Step 3: Cross multiply
    874,361.19x = 1,311,588.60 × 275,368.98
  4. Step 4: Simplify right side
    874,361.19x = 361,170,814,961.63
  5. Step 5: Solve for x
    x = 361,170,814,961.63/874,361.19
  6. Step 6: Final answer
    x = 413,068.21

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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.