Finding the Fourth Proportional to 668,902.41, 922,699.28 and 426,912.23
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Solution
The fourth proportional to 668,902.41, 922,699.28 and 426,912.23 is: 588,892.49
Step by Step Solution
- Step 1: Write the proportion equation
668,902.41 : 922,699.28 = 426,912.23 : x - Step 2: Convert to fraction form
668,902.41/922,699.28 = 426,912.23/x - Step 3: Cross multiply
668,902.41x = 922,699.28 × 426,912.23 - Step 4: Simplify right side
668,902.41x = 393,911,607,244.19 - Step 5: Solve for x
x = 393,911,607,244.19/668,902.41 - Step 6: Final answer
x = 588,892.49
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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.