Finding the Fourth Proportional to 622,876.96, 859,570.12 and 336,397.08
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Solution
The fourth proportional to 622,876.96, 859,570.12 and 336,397.08 is: 464,227.92
Step by Step Solution
- Step 1: Write the proportion equation
622,876.96 : 859,570.12 = 336,397.08 : x - Step 2: Convert to fraction form
622,876.96/859,570.12 = 336,397.08/x - Step 3: Cross multiply
622,876.96x = 859,570.12 × 336,397.08 - Step 4: Simplify right side
622,876.96x = 289,156,878,423.25 - Step 5: Solve for x
x = 289,156,878,423.25/622,876.96 - Step 6: Final answer
x = 464,227.92
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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.