Finding the Fourth Proportional to 751,830.80, 1,127,954.43 and 347,146.56
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Solution
The fourth proportional to 751,830.80, 1,127,954.43 and 347,146.56 is: 520,815.99
Step by Step Solution
- Step 1: Write the proportion equation
751,830.80 : 1,127,954.43 = 347,146.56 : x - Step 2: Convert to fraction form
751,830.80/1,127,954.43 = 347,146.56/x - Step 3: Cross multiply
751,830.80x = 1,127,954.43 × 347,146.56 - Step 4: Simplify right side
751,830.80x = 391,565,500,211.26 - Step 5: Solve for x
x = 391,565,500,211.26/751,830.80 - Step 6: Final answer
x = 520,815.99
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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.