Finding the Fourth Proportional to 789,129.98, 1,088,999.13 and 426,553.63
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Solution
The fourth proportional to 789,129.98, 1,088,999.13 and 426,553.63 is: 588,643.88
Step by Step Solution
- Step 1: Write the proportion equation
789,129.98 : 1,088,999.13 = 426,553.63 : x - Step 2: Convert to fraction form
789,129.98/1,088,999.13 = 426,553.63/x - Step 3: Cross multiply
789,129.98x = 1,088,999.13 × 426,553.63 - Step 4: Simplify right side
789,129.98x = 464,516,530,845.42 - Step 5: Solve for x
x = 464,516,530,845.42/789,129.98 - Step 6: Final answer
x = 588,643.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.