Finding the Fourth Proportional to 509,020.68, 762,866.82 and 284,372.04
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Solution
The fourth proportional to 509,020.68, 762,866.82 and 284,372.04 is: 426,186.99
Step by Step Solution
- Step 1: Write the proportion equation
509,020.68 : 762,866.82 = 284,372.04 : x - Step 2: Convert to fraction form
509,020.68/762,866.82 = 284,372.04/x - Step 3: Cross multiply
509,020.68x = 762,866.82 × 284,372.04 - Step 4: Simplify right side
509,020.68x = 216,937,993,851.71 - Step 5: Solve for x
x = 216,937,993,851.71/509,020.68 - Step 6: Final answer
x = 426,186.99
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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.