Finding the Fourth Proportional to 576,651.99, 795,776.59 and 318,546.70
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Solution
The fourth proportional to 576,651.99, 795,776.59 and 318,546.70 is: 439,592.70
Step by Step Solution
- Step 1: Write the proportion equation
576,651.99 : 795,776.59 = 318,546.70 : x - Step 2: Convert to fraction form
576,651.99/795,776.59 = 318,546.70/x - Step 3: Cross multiply
576,651.99x = 795,776.59 × 318,546.70 - Step 4: Simplify right side
576,651.99x = 253,492,006,681.75 - Step 5: Solve for x
x = 253,492,006,681.75/576,651.99 - Step 6: Final answer
x = 439,592.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.