Home / 683,779.73-943,672.82-377,915.83

Finding the Fourth Proportional to 683,779.73, 943,672.82 and 377,915.83

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Solution

The fourth proportional to 683,779.73, 943,672.82 and 377,915.83 is: 521,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,779.73 : 943,672.82 = 377,915.83 : x
  2. Step 2: Convert to fraction form
    683,779.73/943,672.82 = 377,915.83/x
  3. Step 3: Cross multiply
    683,779.73x = 943,672.82 × 377,915.83
  4. Step 4: Simplify right side
    683,779.73x = 356,628,892,769.98
  5. Step 5: Solve for x
    x = 356,628,892,769.98/683,779.73
  6. Step 6: Final answer
    x = 521,555.23

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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.