Finding the Fourth Proportional to 722,721.54, 1,085,646.62 and 469,871.99
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Solution
The fourth proportional to 722,721.54, 1,085,646.62 and 469,871.99 is: 705,825.00
Step by Step Solution
- Step 1: Write the proportion equation
722,721.54 : 1,085,646.62 = 469,871.99 : x - Step 2: Convert to fraction form
722,721.54/1,085,646.62 = 469,871.99/x - Step 3: Cross multiply
722,721.54x = 1,085,646.62 × 469,871.99 - Step 4: Simplify right side
722,721.54x = 510,114,929,998.58 - Step 5: Solve for x
x = 510,114,929,998.58/722,721.54 - Step 6: Final answer
x = 705,825.00
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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.