Home / 738,648.36-1,106,961.66-401,247.72

Finding the Fourth Proportional to 738,648.36, 1,106,961.66 and 401,247.72

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Solution

The fourth proportional to 738,648.36, 1,106,961.66 and 401,247.72 is: 601,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,648.36 : 1,106,961.66 = 401,247.72 : x
  2. Step 2: Convert to fraction form
    738,648.36/1,106,961.66 = 401,247.72/x
  3. Step 3: Cross multiply
    738,648.36x = 1,106,961.66 × 401,247.72
  4. Step 4: Simplify right side
    738,648.36x = 444,165,842,202.42
  5. Step 5: Solve for x
    x = 444,165,842,202.42/738,648.36
  6. Step 6: Final answer
    x = 601,322.45

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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.