Finding the Fourth Proportional to 637,873.68, 880,315.30 and 351,445.26
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Solution
The fourth proportional to 637,873.68, 880,315.30 and 351,445.26 is: 485,021.80
Step by Step Solution
- Step 1: Write the proportion equation
637,873.68 : 880,315.30 = 351,445.26 : x - Step 2: Convert to fraction form
637,873.68/880,315.30 = 351,445.26/x - Step 3: Cross multiply
637,873.68x = 880,315.30 × 351,445.26 - Step 4: Simplify right side
637,873.68x = 309,382,639,490.48 - Step 5: Solve for x
x = 309,382,639,490.48/637,873.68 - Step 6: Final answer
x = 485,021.80
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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.