Finding the Fourth Proportional to 506,379.05, 698,889.02 and 291,643.44
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Solution
The fourth proportional to 506,379.05, 698,889.02 and 291,643.44 is: 402,517.44
Step by Step Solution
- Step 1: Write the proportion equation
506,379.05 : 698,889.02 = 291,643.44 : x - Step 2: Convert to fraction form
506,379.05/698,889.02 = 291,643.44/x - Step 3: Cross multiply
506,379.05x = 698,889.02 × 291,643.44 - Step 4: Simplify right side
506,379.05x = 203,826,397,971.03 - Step 5: Solve for x
x = 203,826,397,971.03/506,379.05 - Step 6: Final answer
x = 402,517.44
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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.