Finding the Fourth Proportional to 750,818.36, 1,036,146.04 and 428,521.96
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Solution
The fourth proportional to 750,818.36, 1,036,146.04 and 428,521.96 is: 591,369.84
Step by Step Solution
- Step 1: Write the proportion equation
750,818.36 : 1,036,146.04 = 428,521.96 : x - Step 2: Convert to fraction form
750,818.36/1,036,146.04 = 428,521.96/x - Step 3: Cross multiply
750,818.36x = 1,036,146.04 × 428,521.96 - Step 4: Simplify right side
750,818.36x = 444,011,331,907.04 - Step 5: Solve for x
x = 444,011,331,907.04/750,818.36 - Step 6: Final answer
x = 591,369.84
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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.