Finding the Fourth Proportional to 622,981.91, 859,715.40 and 336,502.00
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Solution
The fourth proportional to 622,981.91, 859,715.40 and 336,502.00 is: 464,372.95
Step by Step Solution
- Step 1: Write the proportion equation
622,981.91 : 859,715.40 = 336,502.00 : x - Step 2: Convert to fraction form
622,981.91/859,715.40 = 336,502.00/x - Step 3: Cross multiply
622,981.91x = 859,715.40 × 336,502.00 - Step 4: Simplify right side
622,981.91x = 289,295,946,192.19 - Step 5: Solve for x
x = 289,295,946,192.19/622,981.91 - Step 6: Final answer
x = 464,372.95
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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.