Finding the Fourth Proportional to 708,120.03, 977,193.30 and 385,832.79
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Solution
The fourth proportional to 708,120.03, 977,193.30 and 385,832.79 is: 532,442.53
Step by Step Solution
- Step 1: Write the proportion equation
708,120.03 : 977,193.30 = 385,832.79 : x - Step 2: Convert to fraction form
708,120.03/977,193.30 = 385,832.79/x - Step 3: Cross multiply
708,120.03x = 977,193.30 × 385,832.79 - Step 4: Simplify right side
708,120.03x = 377,033,217,308.31 - Step 5: Solve for x
x = 377,033,217,308.31/708,120.03 - Step 6: Final answer
x = 532,442.53
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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.