Finding the Fourth Proportional to 517,490.19, 713,635.79 and 336,251.07
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Solution
The fourth proportional to 517,490.19, 713,635.79 and 336,251.07 is: 463,701.15
Step by Step Solution
- Step 1: Write the proportion equation
517,490.19 : 713,635.79 = 336,251.07 : x - Step 2: Convert to fraction form
517,490.19/713,635.79 = 336,251.07/x - Step 3: Cross multiply
517,490.19x = 713,635.79 × 336,251.07 - Step 4: Simplify right side
517,490.19x = 239,960,796,296.54 - Step 5: Solve for x
x = 239,960,796,296.54/517,490.19 - Step 6: Final answer
x = 463,701.15
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1.5x scale
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.