Home / 874,405.44-1,311,264.24-424,994.64

Finding the Fourth Proportional to 874,405.44, 1,311,264.24 and 424,994.64

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Solution

The fourth proportional to 874,405.44, 1,311,264.24 and 424,994.64 is: 637,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,405.44 : 1,311,264.24 = 424,994.64 : x
  2. Step 2: Convert to fraction form
    874,405.44/1,311,264.24 = 424,994.64/x
  3. Step 3: Cross multiply
    874,405.44x = 1,311,264.24 × 424,994.64
  4. Step 4: Simplify right side
    874,405.44x = 557,280,273,623.67
  5. Step 5: Solve for x
    x = 557,280,273,623.67/874,405.44
  6. Step 6: Final answer
    x = 637,324.80

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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.