Finding the Fourth Proportional to 779,124.42, 1,169,211.48 and 305,753.94
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Solution
The fourth proportional to 779,124.42, 1,169,211.48 and 305,753.94 is: 458,836.88
Step by Step Solution
- Step 1: Write the proportion equation
779,124.42 : 1,169,211.48 = 305,753.94 : x - Step 2: Convert to fraction form
779,124.42/1,169,211.48 = 305,753.94/x - Step 3: Cross multiply
779,124.42x = 1,169,211.48 × 305,753.94 - Step 4: Simplify right side
779,124.42x = 357,491,016,703.23 - Step 5: Solve for x
x = 357,491,016,703.23/779,124.42 - Step 6: Final answer
x = 458,836.88
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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.