Finding the Fourth Proportional to 998,804.63, 1,498,250.68 and 288,904.43
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Solution
The fourth proportional to 998,804.63, 1,498,250.68 and 288,904.43 is: 433,369.29
Step by Step Solution
- Step 1: Write the proportion equation
998,804.63 : 1,498,250.68 = 288,904.43 : x - Step 2: Convert to fraction form
998,804.63/1,498,250.68 = 288,904.43/x - Step 3: Cross multiply
998,804.63x = 1,498,250.68 × 288,904.43 - Step 4: Simplify right side
998,804.63x = 432,851,257,732.53 - Step 5: Solve for x
x = 432,851,257,732.53/998,804.63 - Step 6: Final answer
x = 433,369.29
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1.5x scale
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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.