Finding the Fourth Proportional to 922,391.60, 1,272,845.58 and 535,177.04
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Solution
The fourth proportional to 922,391.60, 1,272,845.58 and 535,177.04 is: 738,512.50
Step by Step Solution
- Step 1: Write the proportion equation
922,391.60 : 1,272,845.58 = 535,177.04 : x - Step 2: Convert to fraction form
922,391.60/1,272,845.58 = 535,177.04/x - Step 3: Cross multiply
922,391.60x = 1,272,845.58 × 535,177.04 - Step 4: Simplify right side
922,391.60x = 681,197,729,881.48 - Step 5: Solve for x
x = 681,197,729,881.48/922,391.60 - Step 6: Final answer
x = 738,512.50
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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.