Finding the Fourth Proportional to 731,888.58, 1,098,488.94 and 612,691.62
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Solution
The fourth proportional to 731,888.58, 1,098,488.94 and 612,691.62 is: 919,586.65
Step by Step Solution
- Step 1: Write the proportion equation
731,888.58 : 1,098,488.94 = 612,691.62 : x - Step 2: Convert to fraction form
731,888.58/1,098,488.94 = 612,691.62/x - Step 3: Cross multiply
731,888.58x = 1,098,488.94 × 612,691.62 - Step 4: Simplify right side
731,888.58x = 673,034,968,200.68 - Step 5: Solve for x
x = 673,034,968,200.68/731,888.58 - Step 6: Final answer
x = 919,586.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.