Finding the Fourth Proportional to 859,944.98, 1,289,028.08 and 291,137.88
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Solution
The fourth proportional to 859,944.98, 1,289,028.08 and 291,137.88 is: 436,405.71
Step by Step Solution
- Step 1: Write the proportion equation
859,944.98 : 1,289,028.08 = 291,137.88 : x - Step 2: Convert to fraction form
859,944.98/1,289,028.08 = 291,137.88/x - Step 3: Cross multiply
859,944.98x = 1,289,028.08 × 291,137.88 - Step 4: Simplify right side
859,944.98x = 375,284,902,471.67 - Step 5: Solve for x
x = 375,284,902,471.67/859,944.98 - Step 6: Final answer
x = 436,405.71
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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.