Finding the Fourth Proportional to 705,000.26, 972,916.80 and 418,521.44
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Solution
The fourth proportional to 705,000.26, 972,916.80 and 418,521.44 is: 577,569.35
Step by Step Solution
- Step 1: Write the proportion equation
705,000.26 : 972,916.80 = 418,521.44 : x - Step 2: Convert to fraction form
705,000.26/972,916.80 = 418,521.44/x - Step 3: Cross multiply
705,000.26x = 972,916.80 × 418,521.44 - Step 4: Simplify right side
705,000.26x = 407,186,540,136.19 - Step 5: Solve for x
x = 407,186,540,136.19/705,000.26 - Step 6: Final answer
x = 577,569.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.