Finding the Fourth Proportional to 554,578.61, 765,318.99 and 299,929.80
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Solution
The fourth proportional to 554,578.61, 765,318.99 and 299,929.80 is: 413,903.39
Step by Step Solution
- Step 1: Write the proportion equation
554,578.61 : 765,318.99 = 299,929.80 : x - Step 2: Convert to fraction form
554,578.61/765,318.99 = 299,929.80/x - Step 3: Cross multiply
554,578.61x = 765,318.99 × 299,929.80 - Step 4: Simplify right side
554,578.61x = 229,541,966,280.66 - Step 5: Solve for x
x = 229,541,966,280.66/554,578.61 - Step 6: Final answer
x = 413,903.39
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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.