Finding the Fourth Proportional to 554,506.65, 765,219.21 and 299,857.84
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Solution
The fourth proportional to 554,506.65, 765,219.21 and 299,857.84 is: 413,803.84
Step by Step Solution
- Step 1: Write the proportion equation
554,506.65 : 765,219.21 = 299,857.84 : x - Step 2: Convert to fraction form
554,506.65/765,219.21 = 299,857.84/x - Step 3: Cross multiply
554,506.65x = 765,219.21 × 299,857.84 - Step 4: Simplify right side
554,506.65x = 229,456,979,437.11 - Step 5: Solve for x
x = 229,456,979,437.11/554,506.65 - Step 6: Final answer
x = 413,803.84
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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.