Home / 879,226.22-1,318,814.73-280,223.33

Finding the Fourth Proportional to 879,226.22, 1,318,814.73 and 280,223.33

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Solution

The fourth proportional to 879,226.22, 1,318,814.73 and 280,223.33 is: 420,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,226.22 : 1,318,814.73 = 280,223.33 : x
  2. Step 2: Convert to fraction form
    879,226.22/1,318,814.73 = 280,223.33/x
  3. Step 3: Cross multiply
    879,226.22x = 1,318,814.73 × 280,223.33
  4. Step 4: Simplify right side
    879,226.22x = 369,562,648,699.58
  5. Step 5: Solve for x
    x = 369,562,648,699.58/879,226.22
  6. Step 6: Final answer
    x = 420,327.15

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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.