Home / 989,323.62-1,486,476.56-629,659.85

Finding the Fourth Proportional to 989,323.62, 1,486,476.56 and 629,659.85

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Solution

The fourth proportional to 989,323.62, 1,486,476.56 and 629,659.85 is: 946,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,323.62 : 1,486,476.56 = 629,659.85 : x
  2. Step 2: Convert to fraction form
    989,323.62/1,486,476.56 = 629,659.85/x
  3. Step 3: Cross multiply
    989,323.62x = 1,486,476.56 × 629,659.85
  4. Step 4: Simplify right side
    989,323.62x = 935,974,614,482.03
  5. Step 5: Solve for x
    x = 935,974,614,482.03/989,323.62
  6. Step 6: Final answer
    x = 946,075.27

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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.