Finding the Fourth Proportional to 637,971.12, 880,420.08 and 366,088.75
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Solution
The fourth proportional to 637,971.12, 880,420.08 and 366,088.75 is: 505,213.91
Step by Step Solution
- Step 1: Write the proportion equation
637,971.12 : 880,420.08 = 366,088.75 : x - Step 2: Convert to fraction form
637,971.12/880,420.08 = 366,088.75/x - Step 3: Cross multiply
637,971.12x = 880,420.08 × 366,088.75 - Step 4: Simplify right side
637,971.12x = 322,311,885,733.88 - Step 5: Solve for x
x = 322,311,885,733.88/637,971.12 - Step 6: Final answer
x = 505,213.91
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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.