Finding the Fourth Proportional to 509,207.49, 702,628.29 and 294,306.12
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Solution
The fourth proportional to 509,207.49, 702,628.29 and 294,306.12 is: 406,097.34
Step by Step Solution
- Step 1: Write the proportion equation
509,207.49 : 702,628.29 = 294,306.12 : x - Step 2: Convert to fraction form
509,207.49/702,628.29 = 294,306.12/x - Step 3: Cross multiply
509,207.49x = 702,628.29 × 294,306.12 - Step 4: Simplify right side
509,207.49x = 206,787,805,832.14 - Step 5: Solve for x
x = 206,787,805,832.14/509,207.49 - Step 6: Final answer
x = 406,097.34
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1.5x scale
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.