Finding the Fourth Proportional to 999,387.16, 1,498,863.62 and 316,327.12
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Solution
The fourth proportional to 999,387.16, 1,498,863.62 and 316,327.12 is: 474,421.96
Step by Step Solution
- Step 1: Write the proportion equation
999,387.16 : 1,498,863.62 = 316,327.12 : x - Step 2: Convert to fraction form
999,387.16/1,498,863.62 = 316,327.12/x - Step 3: Cross multiply
999,387.16x = 1,498,863.62 × 316,327.12 - Step 4: Simplify right side
999,387.16x = 474,131,212,187.37 - Step 5: Solve for x
x = 474,131,212,187.37/999,387.16 - Step 6: Final answer
x = 474,421.96
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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.