Home / 938,051.76-1,407,062.72-298,346.26

Finding the Fourth Proportional to 938,051.76, 1,407,062.72 and 298,346.26

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Solution

The fourth proportional to 938,051.76, 1,407,062.72 and 298,346.26 is: 447,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,051.76 : 1,407,062.72 = 298,346.26 : x
  2. Step 2: Convert to fraction form
    938,051.76/1,407,062.72 = 298,346.26/x
  3. Step 3: Cross multiply
    938,051.76x = 1,407,062.72 × 298,346.26
  4. Step 4: Simplify right side
    938,051.76x = 419,791,900,097.43
  5. Step 5: Solve for x
    x = 419,791,900,097.43/938,051.76
  6. Step 6: Final answer
    x = 447,514.64

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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.