Finding the Fourth Proportional to 922,669.44, 1,273,284 and 520,261.44
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Solution
The fourth proportional to 922,669.44, 1,273,284 and 520,261.44 is: 717,960.88
Step by Step Solution
- Step 1: Write the proportion equation
922,669.44 : 1,273,284 = 520,261.44 : x - Step 2: Convert to fraction form
922,669.44/1,273,284 = 520,261.44/x - Step 3: Cross multiply
922,669.44x = 1,273,284 × 520,261.44 - Step 4: Simplify right side
922,669.44x = 662,440,567,368.96 - Step 5: Solve for x
x = 662,440,567,368.96/922,669.44 - Step 6: Final answer
x = 717,960.88
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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.