Finding the Fourth Proportional to 999,375.16, 1,498,845.63 and 316,315.12
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Solution
The fourth proportional to 999,375.16, 1,498,845.63 and 316,315.12 is: 474,403.96
Step by Step Solution
- Step 1: Write the proportion equation
999,375.16 : 1,498,845.63 = 316,315.12 : x - Step 2: Convert to fraction form
999,375.16/1,498,845.63 = 316,315.12/x - Step 3: Cross multiply
999,375.16x = 1,498,845.63 × 316,315.12 - Step 4: Simplify right side
999,375.16x = 474,107,535,314.93 - Step 5: Solve for x
x = 474,107,535,314.93/999,375.16 - Step 6: Final answer
x = 474,403.96
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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.