Finding the Fourth Proportional to 636,599.09, 878,514.08 and 350,123.96
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Solution
The fourth proportional to 636,599.09, 878,514.08 and 350,123.96 is: 483,175.09
Step by Step Solution
- Step 1: Write the proportion equation
636,599.09 : 878,514.08 = 350,123.96 : x - Step 2: Convert to fraction form
636,599.09/878,514.08 = 350,123.96/x - Step 3: Cross multiply
636,599.09x = 878,514.08 × 350,123.96 - Step 4: Simplify right side
636,599.09x = 307,588,822,462.17 - Step 5: Solve for x
x = 307,588,822,462.17/636,599.09 - Step 6: Final answer
x = 483,175.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.