Finding the Fourth Proportional to 630,988.11, 946,482.17 and 335,430.99
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Solution
The fourth proportional to 630,988.11, 946,482.17 and 335,430.99 is: 503,146.49
Step by Step Solution
- Step 1: Write the proportion equation
630,988.11 : 946,482.17 = 335,430.99 : x - Step 2: Convert to fraction form
630,988.11/946,482.17 = 335,430.99/x - Step 3: Cross multiply
630,988.11x = 946,482.17 × 335,430.99 - Step 4: Simplify right side
630,988.11x = 317,479,449,623.29 - Step 5: Solve for x
x = 317,479,449,623.29/630,988.11 - Step 6: Final answer
x = 503,146.49
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Similar ratio
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1.5x scale
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.