Finding the Fourth Proportional to 695,111.22, 959,207.06 and 389,135.95
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Solution
The fourth proportional to 695,111.22, 959,207.06 and 389,135.95 is: 536,981.62
Step by Step Solution
- Step 1: Write the proportion equation
695,111.22 : 959,207.06 = 389,135.95 : x - Step 2: Convert to fraction form
695,111.22/959,207.06 = 389,135.95/x - Step 3: Cross multiply
695,111.22x = 959,207.06 × 389,135.95 - Step 4: Simplify right side
695,111.22x = 373,261,949,114.63 - Step 5: Solve for x
x = 373,261,949,114.63/695,111.22 - Step 6: Final answer
x = 536,981.62
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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.