Home / 683,842.76-943,721.88-377,938.98

Finding the Fourth Proportional to 683,842.76, 943,721.88 and 377,938.98

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Solution

The fourth proportional to 683,842.76, 943,721.88 and 377,938.98 is: 521,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,842.76 : 943,721.88 = 377,938.98 : x
  2. Step 2: Convert to fraction form
    683,842.76/943,721.88 = 377,938.98/x
  3. Step 3: Cross multiply
    683,842.76x = 943,721.88 × 377,938.98
  4. Step 4: Simplify right side
    683,842.76x = 356,669,284,730.88
  5. Step 5: Solve for x
    x = 356,669,284,730.88/683,842.76
  6. Step 6: Final answer
    x = 521,566.22

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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.