Finding the Fourth Proportional to 943,681.92, 1,415,522.88 and 278,782.08
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Solution
The fourth proportional to 943,681.92, 1,415,522.88 and 278,782.08 is: 418,173.12
Step by Step Solution
- Step 1: Write the proportion equation
943,681.92 : 1,415,522.88 = 278,782.08 : x - Step 2: Convert to fraction form
943,681.92/1,415,522.88 = 278,782.08/x - Step 3: Cross multiply
943,681.92x = 1,415,522.88 × 278,782.08 - Step 4: Simplify right side
943,681.92x = 394,622,412,773.99 - Step 5: Solve for x
x = 394,622,412,773.99/943,681.92 - Step 6: Final answer
x = 418,173.12
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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.