Finding the Fourth Proportional to 994,857.18, 1,371,927.58 and 631,650.48
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Solution
The fourth proportional to 994,857.18, 1,371,927.58 and 631,650.48 is: 871,058.41
Step by Step Solution
- Step 1: Write the proportion equation
994,857.18 : 1,371,927.58 = 631,650.48 : x - Step 2: Convert to fraction form
994,857.18/1,371,927.58 = 631,650.48/x - Step 3: Cross multiply
994,857.18x = 1,371,927.58 × 631,650.48 - Step 4: Simplify right side
994,857.18x = 866,578,714,432.24 - Step 5: Solve for x
x = 866,578,714,432.24/994,857.18 - Step 6: Final answer
x = 871,058.41
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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.