Home / 510,780.84-704,882.30-281,338.95

Finding the Fourth Proportional to 510,780.84, 704,882.30 and 281,338.95

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Solution

The fourth proportional to 510,780.84, 704,882.30 and 281,338.95 is: 388,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,780.84 : 704,882.30 = 281,338.95 : x
  2. Step 2: Convert to fraction form
    510,780.84/704,882.30 = 281,338.95/x
  3. Step 3: Cross multiply
    510,780.84x = 704,882.30 × 281,338.95
  4. Step 4: Simplify right side
    510,780.84x = 198,310,848,974.73
  5. Step 5: Solve for x
    x = 198,310,848,974.73/510,780.84
  6. Step 6: Final answer
    x = 388,250.37

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1.5x scale

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.