Finding the Fourth Proportional to 907,994.66, 1,253,006.97 and 494,522.08
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Solution
The fourth proportional to 907,994.66, 1,253,006.97 and 494,522.08 is: 682,426.49
Step by Step Solution
- Step 1: Write the proportion equation
907,994.66 : 1,253,006.97 = 494,522.08 : x - Step 2: Convert to fraction form
907,994.66/1,253,006.97 = 494,522.08/x - Step 3: Cross multiply
907,994.66x = 1,253,006.97 × 494,522.08 - Step 4: Simplify right side
907,994.66x = 619,639,609,926.38 - Step 5: Solve for x
x = 619,639,609,926.38/907,994.66 - Step 6: Final answer
x = 682,426.49
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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.