Home / 917,515.15-1,375,961.07-348,759.37

Finding the Fourth Proportional to 917,515.15, 1,375,961.07 and 348,759.37

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Solution

The fourth proportional to 917,515.15, 1,375,961.07 and 348,759.37 is: 523,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,515.15 : 1,375,961.07 = 348,759.37 : x
  2. Step 2: Convert to fraction form
    917,515.15/1,375,961.07 = 348,759.37/x
  3. Step 3: Cross multiply
    917,515.15x = 1,375,961.07 × 348,759.37
  4. Step 4: Simplify right side
    917,515.15x = 479,879,318,945.53
  5. Step 5: Solve for x
    x = 479,879,318,945.53/917,515.15
  6. Step 6: Final answer
    x = 523,020.60

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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.