Finding the Fourth Proportional to 615,454.20, 922,403.70 and 548,580.60
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Solution
The fourth proportional to 615,454.20, 922,403.70 and 548,580.60 is: 822,177.79
Step by Step Solution
- Step 1: Write the proportion equation
615,454.20 : 922,403.70 = 548,580.60 : x - Step 2: Convert to fraction form
615,454.20/922,403.70 = 548,580.60/x - Step 3: Cross multiply
615,454.20x = 922,403.70 × 548,580.60 - Step 4: Simplify right side
615,454.20x = 506,012,775,188.22 - Step 5: Solve for x
x = 506,012,775,188.22/615,454.20 - Step 6: Final answer
x = 822,177.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.