Finding the Fourth Proportional to 426,661.68, 588,473.88 and 297,606.80
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Solution
The fourth proportional to 426,661.68, 588,473.88 and 297,606.80 is: 410,474.71
Step by Step Solution
- Step 1: Write the proportion equation
426,661.68 : 588,473.88 = 297,606.80 : x - Step 2: Convert to fraction form
426,661.68/588,473.88 = 297,606.80/x - Step 3: Cross multiply
426,661.68x = 588,473.88 × 297,606.80 - Step 4: Simplify right side
426,661.68x = 175,133,828,310.38 - Step 5: Solve for x
x = 175,133,828,310.38/426,661.68 - Step 6: Final answer
x = 410,474.71
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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.