Finding the Fourth Proportional to 683,817.30, 1,029,512.61 and 604,311.75
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Solution
The fourth proportional to 683,817.30, 1,029,512.61 and 604,311.75 is: 909,814.02
Step by Step Solution
- Step 1: Write the proportion equation
683,817.30 : 1,029,512.61 = 604,311.75 : x - Step 2: Convert to fraction form
683,817.30/1,029,512.61 = 604,311.75/x - Step 3: Cross multiply
683,817.30x = 1,029,512.61 × 604,311.75 - Step 4: Simplify right side
683,817.30x = 622,146,566,996.17 - Step 5: Solve for x
x = 622,146,566,996.17/683,817.30 - Step 6: Final answer
x = 909,814.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.