Finding the Fourth Proportional to 708,062.63, 977,137.62 and 385,772.63
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Solution
The fourth proportional to 708,062.63, 977,137.62 and 385,772.63 is: 532,372.32
Step by Step Solution
- Step 1: Write the proportion equation
708,062.63 : 977,137.62 = 385,772.63 : x - Step 2: Convert to fraction form
708,062.63/977,137.62 = 385,772.63/x - Step 3: Cross multiply
708,062.63x = 977,137.62 × 385,772.63 - Step 4: Simplify right side
708,062.63x = 376,952,944,653.65 - Step 5: Solve for x
x = 376,952,944,653.65/708,062.63 - Step 6: Final answer
x = 532,372.32
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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.