Home / 738,904.21-1,108,771.54-401,968.44

Finding the Fourth Proportional to 738,904.21, 1,108,771.54 and 401,968.44

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Solution

The fourth proportional to 738,904.21, 1,108,771.54 and 401,968.44 is: 603,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,904.21 : 1,108,771.54 = 401,968.44 : x
  2. Step 2: Convert to fraction form
    738,904.21/1,108,771.54 = 401,968.44/x
  3. Step 3: Cross multiply
    738,904.21x = 1,108,771.54 × 401,968.44
  4. Step 4: Simplify right side
    738,904.21x = 445,691,164,240.36
  5. Step 5: Solve for x
    x = 445,691,164,240.36/738,904.21
  6. Step 6: Final answer
    x = 603,178.55

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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.