Finding the Fourth Proportional to 454,072.13, 626,679.68 and 293,394.45
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Solution
The fourth proportional to 454,072.13, 626,679.68 and 293,394.45 is: 404,923.20
Step by Step Solution
- Step 1: Write the proportion equation
454,072.13 : 626,679.68 = 293,394.45 : x - Step 2: Convert to fraction form
454,072.13/626,679.68 = 293,394.45/x - Step 3: Cross multiply
454,072.13x = 626,679.68 × 293,394.45 - Step 4: Simplify right side
454,072.13x = 183,864,340,039.78 - Step 5: Solve for x
x = 183,864,340,039.78/454,072.13 - Step 6: Final answer
x = 404,923.20
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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.