Finding the Fourth Proportional to 624,979.99, 862,525.43 and 353,097.82
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Solution
The fourth proportional to 624,979.99, 862,525.43 and 353,097.82 is: 487,304.96
Step by Step Solution
- Step 1: Write the proportion equation
624,979.99 : 862,525.43 = 353,097.82 : x - Step 2: Convert to fraction form
624,979.99/862,525.43 = 353,097.82/x - Step 3: Cross multiply
624,979.99x = 862,525.43 × 353,097.82 - Step 4: Simplify right side
624,979.99x = 304,555,849,027.56 - Step 5: Solve for x
x = 304,555,849,027.56/624,979.99 - Step 6: Final answer
x = 487,304.96
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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.