Home / 738,600.35-1,019,268.24-399,068.60

Finding the Fourth Proportional to 738,600.35, 1,019,268.24 and 399,068.60

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Solution

The fourth proportional to 738,600.35, 1,019,268.24 and 399,068.60 is: 550,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,600.35 : 1,019,268.24 = 399,068.60 : x
  2. Step 2: Convert to fraction form
    738,600.35/1,019,268.24 = 399,068.60/x
  3. Step 3: Cross multiply
    738,600.35x = 1,019,268.24 × 399,068.60
  4. Step 4: Simplify right side
    738,600.35x = 406,757,949,561.26
  5. Step 5: Solve for x
    x = 406,757,949,561.26/738,600.35
  6. Step 6: Final answer
    x = 550,714.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.