Home / 683,928.13-943,791.45-377,988.70

Finding the Fourth Proportional to 683,928.13, 943,791.45 and 377,988.70

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Solution

The fourth proportional to 683,928.13, 943,791.45 and 377,988.70 is: 521,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,928.13 : 943,791.45 = 377,988.70 : x
  2. Step 2: Convert to fraction form
    683,928.13/943,791.45 = 377,988.70/x
  3. Step 3: Cross multiply
    683,928.13x = 943,791.45 × 377,988.70
  4. Step 4: Simplify right side
    683,928.13x = 356,742,503,256.62
  5. Step 5: Solve for x
    x = 356,742,503,256.62/683,928.13
  6. Step 6: Final answer
    x = 521,608.17

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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.