Finding the Fourth Proportional to 857,547.99, 1,286,052.12 and 310,369.77
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Solution
The fourth proportional to 857,547.99, 1,286,052.12 and 310,369.77 is: 465,456.98
Step by Step Solution
- Step 1: Write the proportion equation
857,547.99 : 1,286,052.12 = 310,369.77 : x - Step 2: Convert to fraction form
857,547.99/1,286,052.12 = 310,369.77/x - Step 3: Cross multiply
857,547.99x = 1,286,052.12 × 310,369.77 - Step 4: Simplify right side
857,547.99x = 399,151,700,692.41 - Step 5: Solve for x
x = 399,151,700,692.41/857,547.99 - Step 6: Final answer
x = 465,456.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.