Home / 770,517.80-1,154,999.10-350,095.40

Finding the Fourth Proportional to 770,517.80, 1,154,999.10 and 350,095.40

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Solution

The fourth proportional to 770,517.80, 1,154,999.10 and 350,095.40 is: 524,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,517.80 : 1,154,999.10 = 350,095.40 : x
  2. Step 2: Convert to fraction form
    770,517.80/1,154,999.10 = 350,095.40/x
  3. Step 3: Cross multiply
    770,517.80x = 1,154,999.10 × 350,095.40
  4. Step 4: Simplify right side
    770,517.80x = 404,359,871,914.14
  5. Step 5: Solve for x
    x = 404,359,871,914.14/770,517.80
  6. Step 6: Final answer
    x = 524,789.79

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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.