Finding the Fourth Proportional to 669,842.19, 924,378.21 and 363,915.99
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Solution
The fourth proportional to 669,842.19, 924,378.21 and 363,915.99 is: 502,201.89
Step by Step Solution
- Step 1: Write the proportion equation
669,842.19 : 924,378.21 = 363,915.99 : x - Step 2: Convert to fraction form
669,842.19/924,378.21 = 363,915.99/x - Step 3: Cross multiply
669,842.19x = 924,378.21 × 363,915.99 - Step 4: Simplify right side
669,842.19x = 336,396,011,426.58 - Step 5: Solve for x
x = 336,396,011,426.58/669,842.19 - Step 6: Final answer
x = 502,201.89
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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.