Home / 738,004.80-1,106,683.20-338,512.80

Finding the Fourth Proportional to 738,004.80, 1,106,683.20 and 338,512.80

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Solution

The fourth proportional to 738,004.80, 1,106,683.20 and 338,512.80 is: 507,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,004.80 : 1,106,683.20 = 338,512.80 : x
  2. Step 2: Convert to fraction form
    738,004.80/1,106,683.20 = 338,512.80/x
  3. Step 3: Cross multiply
    738,004.80x = 1,106,683.20 × 338,512.80
  4. Step 4: Simplify right side
    738,004.80x = 374,626,428,744.96
  5. Step 5: Solve for x
    x = 374,626,428,744.96/738,004.80
  6. Step 6: Final answer
    x = 507,620.59

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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.