Finding the Fourth Proportional to 669,664.74, 924,194.48 and 379,328.12
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Solution
The fourth proportional to 669,664.74, 924,194.48 and 379,328.12 is: 523,505.17
Step by Step Solution
- Step 1: Write the proportion equation
669,664.74 : 924,194.48 = 379,328.12 : x - Step 2: Convert to fraction form
669,664.74/924,194.48 = 379,328.12/x - Step 3: Cross multiply
669,664.74x = 924,194.48 × 379,328.12 - Step 4: Simplify right side
669,664.74x = 350,572,954,612.78 - Step 5: Solve for x
x = 350,572,954,612.78/669,664.74 - Step 6: Final answer
x = 523,505.17
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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.