Finding the Fourth Proportional to 751,405.12, 1,127,477.30 and 351,976.84
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Solution
The fourth proportional to 751,405.12, 1,127,477.30 and 351,976.84 is: 528,138.40
Step by Step Solution
- Step 1: Write the proportion equation
751,405.12 : 1,127,477.30 = 351,976.84 : x - Step 2: Convert to fraction form
751,405.12/1,127,477.30 = 351,976.84/x - Step 3: Cross multiply
751,405.12x = 1,127,477.30 × 351,976.84 - Step 4: Simplify right side
751,405.12x = 396,845,897,225.73 - Step 5: Solve for x
x = 396,845,897,225.73/751,405.12 - Step 6: Final answer
x = 528,138.40
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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.