Finding the Fourth Proportional to 994,038.70, 1,491,058.05 and 869,622.70
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Solution
The fourth proportional to 994,038.70, 1,491,058.05 and 869,622.70 is: 1,304,434.05
Step by Step Solution
- Step 1: Write the proportion equation
994,038.70 : 1,491,058.05 = 869,622.70 : x - Step 2: Convert to fraction form
994,038.70/1,491,058.05 = 869,622.70/x - Step 3: Cross multiply
994,038.70x = 1,491,058.05 × 869,622.70 - Step 4: Simplify right side
994,038.70x = 1,296,657,927,297.73 - Step 5: Solve for x
x = 1,296,657,927,297.73/994,038.70 - Step 6: Final answer
x = 1,304,434.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.