Home / 683,928.63-943,792.14-377,989.20

Finding the Fourth Proportional to 683,928.63, 943,792.14 and 377,989.20

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Solution

The fourth proportional to 683,928.63, 943,792.14 and 377,989.20 is: 521,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,928.63 : 943,792.14 = 377,989.20 : x
  2. Step 2: Convert to fraction form
    683,928.63/943,792.14 = 377,989.20/x
  3. Step 3: Cross multiply
    683,928.63x = 943,792.14 × 377,989.20
  4. Step 4: Simplify right side
    683,928.63x = 356,743,235,964.89
  5. Step 5: Solve for x
    x = 356,743,235,964.89/683,928.63
  6. Step 6: Final answer
    x = 521,608.86

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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.