Finding the Fourth Proportional to 494,617.23, 682,587.27 and 279,753.12
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Solution
The fourth proportional to 494,617.23, 682,587.27 and 279,753.12 is: 386,068.07
Step by Step Solution
- Step 1: Write the proportion equation
494,617.23 : 682,587.27 = 279,753.12 : x - Step 2: Convert to fraction form
494,617.23/682,587.27 = 279,753.12/x - Step 3: Cross multiply
494,617.23x = 682,587.27 × 279,753.12 - Step 4: Simplify right side
494,617.23x = 190,955,918,454.78 - Step 5: Solve for x
x = 190,955,918,454.78/494,617.23 - Step 6: Final answer
x = 386,068.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.