Finding the Fourth Proportional to 447,797.40, 671,696.10 and 306,079.80
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Solution
The fourth proportional to 447,797.40, 671,696.10 and 306,079.80 is: 459,119.70
Step by Step Solution
- Step 1: Write the proportion equation
447,797.40 : 671,696.10 = 306,079.80 : x - Step 2: Convert to fraction form
447,797.40/671,696.10 = 306,079.80/x - Step 3: Cross multiply
447,797.40x = 671,696.10 × 306,079.80 - Step 4: Simplify right side
447,797.40x = 205,592,607,948.78 - Step 5: Solve for x
x = 205,592,607,948.78/447,797.40 - Step 6: Final answer
x = 459,119.70
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1.5x scale
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.