Finding the Fourth Proportional to 631,270.98, 871,153.98 and 344,791.74
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Solution
The fourth proportional to 631,270.98, 871,153.98 and 344,791.74 is: 475,812.62
Step by Step Solution
- Step 1: Write the proportion equation
631,270.98 : 871,153.98 = 344,791.74 : x - Step 2: Convert to fraction form
631,270.98/871,153.98 = 344,791.74/x - Step 3: Cross multiply
631,270.98x = 871,153.98 × 344,791.74 - Step 4: Simplify right side
631,270.98x = 300,366,696,572.13 - Step 5: Solve for x
x = 300,366,696,572.13/631,270.98 - Step 6: Final answer
x = 475,812.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.