Finding the Fourth Proportional to 877,971.52, 1,316,352.12 and 345,553.68
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Solution
The fourth proportional to 877,971.52, 1,316,352.12 and 345,553.68 is: 518,092.34
Step by Step Solution
- Step 1: Write the proportion equation
877,971.52 : 1,316,352.12 = 345,553.68 : x - Step 2: Convert to fraction form
877,971.52/1,316,352.12 = 345,553.68/x - Step 3: Cross multiply
877,971.52x = 1,316,352.12 × 345,553.68 - Step 4: Simplify right side
877,971.52x = 454,870,319,241.80 - Step 5: Solve for x
x = 454,870,319,241.80/877,971.52 - Step 6: Final answer
x = 518,092.34
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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.