Finding the Fourth Proportional to 890,497.68, 1,335,732.24 and 283,277.52
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Solution
The fourth proportional to 890,497.68, 1,335,732.24 and 283,277.52 is: 424,911.74
Step by Step Solution
- Step 1: Write the proportion equation
890,497.68 : 1,335,732.24 = 283,277.52 : x - Step 2: Convert to fraction form
890,497.68/1,335,732.24 = 283,277.52/x - Step 3: Cross multiply
890,497.68x = 1,335,732.24 × 283,277.52 - Step 4: Simplify right side
890,497.68x = 378,382,916,331.25 - Step 5: Solve for x
x = 378,382,916,331.25/890,497.68 - Step 6: Final answer
x = 424,911.74
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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.