Finding the Fourth Proportional to 554,664.87, 765,393.98 and 313,006.23
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Solution
The fourth proportional to 554,664.87, 765,393.98 and 313,006.23 is: 431,924.02
Step by Step Solution
- Step 1: Write the proportion equation
554,664.87 : 765,393.98 = 313,006.23 : x - Step 2: Convert to fraction form
554,664.87/765,393.98 = 313,006.23/x - Step 3: Cross multiply
554,664.87x = 765,393.98 × 313,006.23 - Step 4: Simplify right side
554,664.87x = 239,573,082,579.46 - Step 5: Solve for x
x = 239,573,082,579.46/554,664.87 - Step 6: Final answer
x = 431,924.02
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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.