Home / 810,554.75-1,215,830.60-761,230.46

Finding the Fourth Proportional to 810,554.75, 1,215,830.60 and 761,230.46

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Solution

The fourth proportional to 810,554.75, 1,215,830.60 and 761,230.46 is: 1,141,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,554.75 : 1,215,830.60 = 761,230.46 : x
  2. Step 2: Convert to fraction form
    810,554.75/1,215,830.60 = 761,230.46/x
  3. Step 3: Cross multiply
    810,554.75x = 1,215,830.60 × 761,230.46
  4. Step 4: Simplify right side
    810,554.75x = 925,527,286,450.99
  5. Step 5: Solve for x
    x = 925,527,286,450.99/810,554.75
  6. Step 6: Final answer
    x = 1,141,844.26

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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.