Finding the Fourth Proportional to 922,811.60, 1,273,261.96 and 520,325.84
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Solution
The fourth proportional to 922,811.60, 1,273,261.96 and 520,325.84 is: 717,926.71
Step by Step Solution
- Step 1: Write the proportion equation
922,811.60 : 1,273,261.96 = 520,325.84 : x - Step 2: Convert to fraction form
922,811.60/1,273,261.96 = 520,325.84/x - Step 3: Cross multiply
922,811.60x = 1,273,261.96 × 520,325.84 - Step 4: Simplify right side
922,811.60x = 662,511,098,877.05 - Step 5: Solve for x
x = 662,511,098,877.05/922,811.60 - Step 6: Final answer
x = 717,926.71
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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.