Home / 690,907.70-1,036,361.55-241,479.20

Finding the Fourth Proportional to 690,907.70, 1,036,361.55 and 241,479.20

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Solution

The fourth proportional to 690,907.70, 1,036,361.55 and 241,479.20 is: 362,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,907.70 : 1,036,361.55 = 241,479.20 : x
  2. Step 2: Convert to fraction form
    690,907.70/1,036,361.55 = 241,479.20/x
  3. Step 3: Cross multiply
    690,907.70x = 1,036,361.55 × 241,479.20
  4. Step 4: Simplify right side
    690,907.70x = 250,259,758,004.76
  5. Step 5: Solve for x
    x = 250,259,758,004.76/690,907.70
  6. Step 6: Final answer
    x = 362,218.80

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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.