Finding the Fourth Proportional to 874,852.84, 1,207,406.82 and 492,970.60
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Solution
The fourth proportional to 874,852.84, 1,207,406.82 and 492,970.60 is: 680,361.36
Step by Step Solution
- Step 1: Write the proportion equation
874,852.84 : 1,207,406.82 = 492,970.60 : x - Step 2: Convert to fraction form
874,852.84/1,207,406.82 = 492,970.60/x - Step 3: Cross multiply
874,852.84x = 1,207,406.82 × 492,970.60 - Step 4: Simplify right side
874,852.84x = 595,216,064,499.49 - Step 5: Solve for x
x = 595,216,064,499.49/874,852.84 - Step 6: Final answer
x = 680,361.36
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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.