Finding the Fourth Proportional to 686,346.48, 1,029,649.05 and 260,010
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Solution
The fourth proportional to 686,346.48, 1,029,649.05 and 260,010 is: 390,063.99
Step by Step Solution
- Step 1: Write the proportion equation
686,346.48 : 1,029,649.05 = 260,010 : x - Step 2: Convert to fraction form
686,346.48/1,029,649.05 = 260,010/x - Step 3: Cross multiply
686,346.48x = 1,029,649.05 × 260,010 - Step 4: Simplify right side
686,346.48x = 267,719,049,490.50 - Step 5: Solve for x
x = 267,719,049,490.50/686,346.48 - Step 6: Final answer
x = 390,063.99
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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.