Finding the Fourth Proportional to 769,603.64, 1,062,054.44 and 430,071.88
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Solution
The fourth proportional to 769,603.64, 1,062,054.44 and 430,071.88 is: 593,499.99
Step by Step Solution
- Step 1: Write the proportion equation
769,603.64 : 1,062,054.44 = 430,071.88 : x - Step 2: Convert to fraction form
769,603.64/1,062,054.44 = 430,071.88/x - Step 3: Cross multiply
769,603.64x = 1,062,054.44 × 430,071.88 - Step 4: Simplify right side
769,603.64x = 456,759,749,673.15 - Step 5: Solve for x
x = 456,759,749,673.15/769,603.64 - Step 6: Final answer
x = 593,499.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.