Finding the Fourth Proportional to 651,722.28, 976,310.62 and 309,679.08
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Solution
The fourth proportional to 651,722.28, 976,310.62 and 309,679.08 is: 463,913.82
Step by Step Solution
- Step 1: Write the proportion equation
651,722.28 : 976,310.62 = 309,679.08 : x - Step 2: Convert to fraction form
651,722.28/976,310.62 = 309,679.08/x - Step 3: Cross multiply
651,722.28x = 976,310.62 × 309,679.08 - Step 4: Simplify right side
651,722.28x = 302,342,974,595.83 - Step 5: Solve for x
x = 302,342,974,595.83/651,722.28 - Step 6: Final answer
x = 463,913.82
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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.