Home / 597,887.11-895,832.07-420,075.78

Finding the Fourth Proportional to 597,887.11, 895,832.07 and 420,075.78

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Solution

The fourth proportional to 597,887.11, 895,832.07 and 420,075.78 is: 629,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,887.11 : 895,832.07 = 420,075.78 : x
  2. Step 2: Convert to fraction form
    597,887.11/895,832.07 = 420,075.78/x
  3. Step 3: Cross multiply
    597,887.11x = 895,832.07 × 420,075.78
  4. Step 4: Simplify right side
    597,887.11x = 376,317,355,554.27
  5. Step 5: Solve for x
    x = 376,317,355,554.27/597,887.11
  6. Step 6: Final answer
    x = 629,412.06

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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.