Finding the Fourth Proportional to 660,369.13, 911,313.03 and 358,563.13
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Solution
The fourth proportional to 660,369.13, 911,313.03 and 358,563.13 is: 494,819.09
Step by Step Solution
- Step 1: Write the proportion equation
660,369.13 : 911,313.03 = 358,563.13 : x - Step 2: Convert to fraction form
660,369.13/911,313.03 = 358,563.13/x - Step 3: Cross multiply
660,369.13x = 911,313.03 × 358,563.13 - Step 4: Simplify right side
660,369.13x = 326,763,252,446.58 - Step 5: Solve for x
x = 326,763,252,446.58/660,369.13 - Step 6: Final answer
x = 494,819.09
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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.