Finding the Fourth Proportional to 994,859.18, 1,371,930.34 and 631,652.48
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Solution
The fourth proportional to 994,859.18, 1,371,930.34 and 631,652.48 is: 871,061.17
Step by Step Solution
- Step 1: Write the proportion equation
994,859.18 : 1,371,930.34 = 631,652.48 : x - Step 2: Convert to fraction form
994,859.18/1,371,930.34 = 631,652.48/x - Step 3: Cross multiply
994,859.18x = 1,371,930.34 × 631,652.48 - Step 4: Simplify right side
994,859.18x = 866,583,201,648.24 - Step 5: Solve for x
x = 866,583,201,648.24/994,859.18 - Step 6: Final answer
x = 871,061.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.