Finding the Fourth Proportional to 708,243.39, 977,374.35 and 385,952.70
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Solution
The fourth proportional to 708,243.39, 977,374.35 and 385,952.70 is: 532,613.89
Step by Step Solution
- Step 1: Write the proportion equation
708,243.39 : 977,374.35 = 385,952.70 : x - Step 2: Convert to fraction form
708,243.39/977,374.35 = 385,952.70/x - Step 3: Cross multiply
708,243.39x = 977,374.35 × 385,952.70 - Step 4: Simplify right side
708,243.39x = 377,220,269,293.25 - Step 5: Solve for x
x = 377,220,269,293.25/708,243.39 - Step 6: Final answer
x = 532,613.89
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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.