Finding the Fourth Proportional to 943,777.74, 1,415,126.88 and 438,078.54
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Solution
The fourth proportional to 943,777.74, 1,415,126.88 and 438,078.54 is: 656,867.28
Step by Step Solution
- Step 1: Write the proportion equation
943,777.74 : 1,415,126.88 = 438,078.54 : x - Step 2: Convert to fraction form
943,777.74/1,415,126.88 = 438,078.54/x - Step 3: Cross multiply
943,777.74x = 1,415,126.88 × 438,078.54 - Step 4: Simplify right side
943,777.74x = 619,936,717,505.16 - Step 5: Solve for x
x = 619,936,717,505.16/943,777.74 - Step 6: Final answer
x = 656,867.28
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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.