Finding the Fourth Proportional to 670,938.26, 1,006,383.16 and 291,859.26
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Solution
The fourth proportional to 670,938.26, 1,006,383.16 and 291,859.26 is: 437,778.35
Step by Step Solution
- Step 1: Write the proportion equation
670,938.26 : 1,006,383.16 = 291,859.26 : x - Step 2: Convert to fraction form
670,938.26/1,006,383.16 = 291,859.26/x - Step 3: Cross multiply
670,938.26x = 1,006,383.16 × 291,859.26 - Step 4: Simplify right side
670,938.26x = 293,722,244,354.06 - Step 5: Solve for x
x = 293,722,244,354.06/670,938.26 - Step 6: Final answer
x = 437,778.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.