Finding the Fourth Proportional to 707,974.72, 977,001.36 and 385,684.08
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Solution
The fourth proportional to 707,974.72, 977,001.36 and 385,684.08 is: 532,241.99
Step by Step Solution
- Step 1: Write the proportion equation
707,974.72 : 977,001.36 = 385,684.08 : x - Step 2: Convert to fraction form
707,974.72/977,001.36 = 385,684.08/x - Step 3: Cross multiply
707,974.72x = 977,001.36 × 385,684.08 - Step 4: Simplify right side
707,974.72x = 376,813,870,690.35 - Step 5: Solve for x
x = 376,813,870,690.35/707,974.72 - Step 6: Final answer
x = 532,241.99
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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.