Finding the Fourth Proportional to 987,290.13, 1,480,992.62 and 277,373.53
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Solution
The fourth proportional to 987,290.13, 1,480,992.62 and 277,373.53 is: 416,076.42
Step by Step Solution
- Step 1: Write the proportion equation
987,290.13 : 1,480,992.62 = 277,373.53 : x - Step 2: Convert to fraction form
987,290.13/1,480,992.62 = 277,373.53/x - Step 3: Cross multiply
987,290.13x = 1,480,992.62 × 277,373.53 - Step 4: Simplify right side
987,290.13x = 410,788,145,824.00 - Step 5: Solve for x
x = 410,788,145,824.00/987,290.13 - Step 6: Final answer
x = 416,076.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.