Home / 703,102.28-1,054,810.14-387,396.68

Finding the Fourth Proportional to 703,102.28, 1,054,810.14 and 387,396.68

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Solution

The fourth proportional to 703,102.28, 1,054,810.14 and 387,396.68 is: 581,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,102.28 : 1,054,810.14 = 387,396.68 : x
  2. Step 2: Convert to fraction form
    703,102.28/1,054,810.14 = 387,396.68/x
  3. Step 3: Cross multiply
    703,102.28x = 1,054,810.14 × 387,396.68
  4. Step 4: Simplify right side
    703,102.28x = 408,629,946,266.34
  5. Step 5: Solve for x
    x = 408,629,946,266.34/703,102.28
  6. Step 6: Final answer
    x = 581,181.37

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1.5x scale

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.