Finding the Fourth Proportional to 888,458.64, 1,332,686.88 and 289,418.82
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Solution
The fourth proportional to 888,458.64, 1,332,686.88 and 289,418.82 is: 434,127.88
Step by Step Solution
- Step 1: Write the proportion equation
888,458.64 : 1,332,686.88 = 289,418.82 : x - Step 2: Convert to fraction form
888,458.64/1,332,686.88 = 289,418.82/x - Step 3: Cross multiply
888,458.64x = 1,332,686.88 × 289,418.82 - Step 4: Simplify right side
888,458.64x = 385,704,664,239.08 - Step 5: Solve for x
x = 385,704,664,239.08/888,458.64 - Step 6: Final answer
x = 434,127.88
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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.