Finding the Fourth Proportional to 912,117.08, 1,368,470.94 and 438,740.84
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Solution
The fourth proportional to 912,117.08, 1,368,470.94 and 438,740.84 is: 658,253.31
Step by Step Solution
- Step 1: Write the proportion equation
912,117.08 : 1,368,470.94 = 438,740.84 : x - Step 2: Convert to fraction form
912,117.08/1,368,470.94 = 438,740.84/x - Step 3: Cross multiply
912,117.08x = 1,368,470.94 × 438,740.84 - Step 4: Simplify right side
912,117.08x = 600,404,089,731.19 - Step 5: Solve for x
x = 600,404,089,731.19/912,117.08 - Step 6: Final answer
x = 658,253.31
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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.