Home / 889,719.70-1,334,579.55-511,806.10

Finding the Fourth Proportional to 889,719.70, 1,334,579.55 and 511,806.10

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Solution

The fourth proportional to 889,719.70, 1,334,579.55 and 511,806.10 is: 767,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,719.70 : 1,334,579.55 = 511,806.10 : x
  2. Step 2: Convert to fraction form
    889,719.70/1,334,579.55 = 511,806.10/x
  3. Step 3: Cross multiply
    889,719.70x = 1,334,579.55 × 511,806.10
  4. Step 4: Simplify right side
    889,719.70x = 683,045,954,625.26
  5. Step 5: Solve for x
    x = 683,045,954,625.26/889,719.70
  6. Step 6: Final answer
    x = 767,709.15

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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.