Finding the Fourth Proportional to 998,804.17, 1,498,249.98 and 288,903.97
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Solution
The fourth proportional to 998,804.17, 1,498,249.98 and 288,903.97 is: 433,368.60
Step by Step Solution
- Step 1: Write the proportion equation
998,804.17 : 1,498,249.98 = 288,903.97 : x - Step 2: Convert to fraction form
998,804.17/1,498,249.98 = 288,903.97/x - Step 3: Cross multiply
998,804.17x = 1,498,249.98 × 288,903.97 - Step 4: Simplify right side
998,804.17x = 432,850,365,829.90 - Step 5: Solve for x
x = 432,850,365,829.90/998,804.17 - Step 6: Final answer
x = 433,368.60
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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.