Finding the Fourth Proportional to 922,125.75, 1,272,572.42 and 519,717.75
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Solution
The fourth proportional to 922,125.75, 1,272,572.42 and 519,717.75 is: 717,232.41
Step by Step Solution
- Step 1: Write the proportion equation
922,125.75 : 1,272,572.42 = 519,717.75 : x - Step 2: Convert to fraction form
922,125.75/1,272,572.42 = 519,717.75/x - Step 3: Cross multiply
922,125.75x = 1,272,572.42 × 519,717.75 - Step 4: Simplify right side
922,125.75x = 661,378,474,834.46 - Step 5: Solve for x
x = 661,378,474,834.46/922,125.75 - Step 6: Final answer
x = 717,232.41
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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.