Finding the Fourth Proportional to 509,021.98, 702,689.50 and 294,120.48
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Solution
The fourth proportional to 509,021.98, 702,689.50 and 294,120.48 is: 406,024.45
Step by Step Solution
- Step 1: Write the proportion equation
509,021.98 : 702,689.50 = 294,120.48 : x - Step 2: Convert to fraction form
509,021.98/702,689.50 = 294,120.48/x - Step 3: Cross multiply
509,021.98x = 702,689.50 × 294,120.48 - Step 4: Simplify right side
509,021.98x = 206,675,369,803.63 - Step 5: Solve for x
x = 206,675,369,803.63/509,021.98 - Step 6: Final answer
x = 406,024.45
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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.