Finding the Fourth Proportional to 637,657.80, 879,957.06 and 351,204.54
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Solution
The fourth proportional to 637,657.80, 879,957.06 and 351,204.54 is: 484,656.37
Step by Step Solution
- Step 1: Write the proportion equation
637,657.80 : 879,957.06 = 351,204.54 : x - Step 2: Convert to fraction form
637,657.80/879,957.06 = 351,204.54/x - Step 3: Cross multiply
637,657.80x = 879,957.06 × 351,204.54 - Step 4: Simplify right side
637,657.80x = 309,044,914,477.05 - Step 5: Solve for x
x = 309,044,914,477.05/637,657.80 - Step 6: Final answer
x = 484,656.37
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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.