Finding the Fourth Proportional to 930,876.68, 1,396,287.12 and 256,999.10
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Solution
The fourth proportional to 930,876.68, 1,396,287.12 and 256,999.10 is: 385,490.95
Step by Step Solution
- Step 1: Write the proportion equation
930,876.68 : 1,396,287.12 = 256,999.10 : x - Step 2: Convert to fraction form
930,876.68/1,396,287.12 = 256,999.10/x - Step 3: Cross multiply
930,876.68x = 1,396,287.12 × 256,999.10 - Step 4: Simplify right side
930,876.68x = 358,844,536,672.31 - Step 5: Solve for x
x = 358,844,536,672.31/930,876.68 - Step 6: Final answer
x = 385,490.95
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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.