Finding the Fourth Proportional to 708,133.19, 977,196.35 and 385,845.68
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Solution
The fourth proportional to 708,133.19, 977,196.35 and 385,845.68 is: 532,452.09
Step by Step Solution
- Step 1: Write the proportion equation
708,133.19 : 977,196.35 = 385,845.68 : x - Step 2: Convert to fraction form
708,133.19/977,196.35 = 385,845.68/x - Step 3: Cross multiply
708,133.19x = 977,196.35 × 385,845.68 - Step 4: Simplify right side
708,133.19x = 377,046,993,566.87 - Step 5: Solve for x
x = 377,046,993,566.87/708,133.19 - Step 6: Final answer
x = 532,452.09
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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.