Finding the Fourth Proportional to 669,564.26, 924,145.81 and 440,142.74
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Solution
The fourth proportional to 669,564.26, 924,145.81 and 440,142.74 is: 607,493.70
Step by Step Solution
- Step 1: Write the proportion equation
669,564.26 : 924,145.81 = 440,142.74 : x - Step 2: Convert to fraction form
669,564.26/924,145.81 = 440,142.74/x - Step 3: Cross multiply
669,564.26x = 924,145.81 × 440,142.74 - Step 4: Simplify right side
669,564.26x = 406,756,068,972.92 - Step 5: Solve for x
x = 406,756,068,972.92/669,564.26 - Step 6: Final answer
x = 607,493.70
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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.