Finding the Fourth Proportional to 745,106.04, 1,117,770.84 and 345,787.79
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Solution
The fourth proportional to 745,106.04, 1,117,770.84 and 345,787.79 is: 518,733.55
Step by Step Solution
- Step 1: Write the proportion equation
745,106.04 : 1,117,770.84 = 345,787.79 : x - Step 2: Convert to fraction form
745,106.04/1,117,770.84 = 345,787.79/x - Step 3: Cross multiply
745,106.04x = 1,117,770.84 × 345,787.79 - Step 4: Simplify right side
745,106.04x = 386,511,502,901.19 - Step 5: Solve for x
x = 386,511,502,901.19/745,106.04 - Step 6: Final answer
x = 518,733.55
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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.