Home / 747,192.44-1,030,813.55-489,132.51

Finding the Fourth Proportional to 747,192.44, 1,030,813.55 and 489,132.51

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Solution

The fourth proportional to 747,192.44, 1,030,813.55 and 489,132.51 is: 674,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,192.44 : 1,030,813.55 = 489,132.51 : x
  2. Step 2: Convert to fraction form
    747,192.44/1,030,813.55 = 489,132.51/x
  3. Step 3: Cross multiply
    747,192.44x = 1,030,813.55 × 489,132.51
  4. Step 4: Simplify right side
    747,192.44x = 504,204,416,607.85
  5. Step 5: Solve for x
    x = 504,204,416,607.85/747,192.44
  6. Step 6: Final answer
    x = 674,798.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.