Finding the Fourth Proportional to 653,207.09, 979,925.45 and 298,256.99
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Solution
The fourth proportional to 653,207.09, 979,925.45 and 298,256.99 is: 447,437.90
Step by Step Solution
- Step 1: Write the proportion equation
653,207.09 : 979,925.45 = 298,256.99 : x - Step 2: Convert to fraction form
653,207.09/979,925.45 = 298,256.99/x - Step 3: Cross multiply
653,207.09x = 979,925.45 × 298,256.99 - Step 4: Simplify right side
653,207.09x = 292,269,608,750.48 - Step 5: Solve for x
x = 292,269,608,750.48/653,207.09 - Step 6: Final answer
x = 447,437.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.