Home / 877,205.24-1,314,747.54-427,251.86

Finding the Fourth Proportional to 877,205.24, 1,314,747.54 and 427,251.86

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Solution

The fourth proportional to 877,205.24, 1,314,747.54 and 427,251.86 is: 640,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,205.24 : 1,314,747.54 = 427,251.86 : x
  2. Step 2: Convert to fraction form
    877,205.24/1,314,747.54 = 427,251.86/x
  3. Step 3: Cross multiply
    877,205.24x = 1,314,747.54 × 427,251.86
  4. Step 4: Simplify right side
    877,205.24x = 561,728,325,321.69
  5. Step 5: Solve for x
    x = 561,728,325,321.69/877,205.24
  6. Step 6: Final answer
    x = 640,361.35

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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.