Finding the Fourth Proportional to 998,644.29, 1,497,977.37 and 288,678.48
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Solution
The fourth proportional to 998,644.29, 1,497,977.37 and 288,678.48 is: 433,020.88
Step by Step Solution
- Step 1: Write the proportion equation
998,644.29 : 1,497,977.37 = 288,678.48 : x - Step 2: Convert to fraction form
998,644.29/1,497,977.37 = 288,678.48/x - Step 3: Cross multiply
998,644.29x = 1,497,977.37 × 288,678.48 - Step 4: Simplify right side
998,644.29x = 432,433,830,246.00 - Step 5: Solve for x
x = 432,433,830,246.00/998,644.29 - Step 6: Final answer
x = 433,020.88
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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.