Finding the Fourth Proportional to 729,190.99, 1,006,283.62 and 402,504.08
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Solution
The fourth proportional to 729,190.99, 1,006,283.62 and 402,504.08 is: 555,455.65
Step by Step Solution
- Step 1: Write the proportion equation
729,190.99 : 1,006,283.62 = 402,504.08 : x - Step 2: Convert to fraction form
729,190.99/1,006,283.62 = 402,504.08/x - Step 3: Cross multiply
729,190.99x = 1,006,283.62 × 402,504.08 - Step 4: Simplify right side
729,190.99x = 405,033,256,649.49 - Step 5: Solve for x
x = 405,033,256,649.49/729,190.99 - Step 6: Final answer
x = 555,455.65
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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.