Home / 943,912.10-1,415,868.15-279,064.10

Finding the Fourth Proportional to 943,912.10, 1,415,868.15 and 279,064.10

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Solution

The fourth proportional to 943,912.10, 1,415,868.15 and 279,064.10 is: 418,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,912.10 : 1,415,868.15 = 279,064.10 : x
  2. Step 2: Convert to fraction form
    943,912.10/1,415,868.15 = 279,064.10/x
  3. Step 3: Cross multiply
    943,912.10x = 1,415,868.15 × 279,064.10
  4. Step 4: Simplify right side
    943,912.10x = 395,117,970,998.42
  5. Step 5: Solve for x
    x = 395,117,970,998.42/943,912.10
  6. Step 6: Final answer
    x = 418,596.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.