Home / 989,020.53-1,483,561.04-340,589.75

Finding the Fourth Proportional to 989,020.53, 1,483,561.04 and 340,589.75

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Solution

The fourth proportional to 989,020.53, 1,483,561.04 and 340,589.75 is: 510,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,020.53 : 1,483,561.04 = 340,589.75 : x
  2. Step 2: Convert to fraction form
    989,020.53/1,483,561.04 = 340,589.75/x
  3. Step 3: Cross multiply
    989,020.53x = 1,483,561.04 × 340,589.75
  4. Step 4: Simplify right side
    989,020.53x = 505,285,674,602.59
  5. Step 5: Solve for x
    x = 505,285,674,602.59/989,020.53
  6. Step 6: Final answer
    x = 510,895.03

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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.