Finding the Fourth Proportional to 987,659.79, 1,481,577.17 and 277,693.98
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Solution
The fourth proportional to 987,659.79, 1,481,577.17 and 277,693.98 is: 416,565.57
Step by Step Solution
- Step 1: Write the proportion equation
987,659.79 : 1,481,577.17 = 277,693.98 : x - Step 2: Convert to fraction form
987,659.79/1,481,577.17 = 277,693.98/x - Step 3: Cross multiply
987,659.79x = 1,481,577.17 × 277,693.98 - Step 4: Simplify right side
987,659.79x = 411,425,059,625.97 - Step 5: Solve for x
x = 411,425,059,625.97/987,659.79 - Step 6: Final answer
x = 416,565.57
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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.