Finding the Fourth Proportional to 680,679.51, 1,021,027.47 and 207,368.97
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Solution
The fourth proportional to 680,679.51, 1,021,027.47 and 207,368.97 is: 311,055.95
Step by Step Solution
- Step 1: Write the proportion equation
680,679.51 : 1,021,027.47 = 207,368.97 : x - Step 2: Convert to fraction form
680,679.51/1,021,027.47 = 207,368.97/x - Step 3: Cross multiply
680,679.51x = 1,021,027.47 × 207,368.97 - Step 4: Simplify right side
680,679.51x = 211,729,414,795.61 - Step 5: Solve for x
x = 211,729,414,795.61/680,679.51 - Step 6: Final answer
x = 311,055.95
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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.