Finding the Fourth Proportional to 669,842.08, 924,399.08 and 363,915.40
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Solution
The fourth proportional to 669,842.08, 924,399.08 and 363,915.40 is: 502,212.49
Step by Step Solution
- Step 1: Write the proportion equation
669,842.08 : 924,399.08 = 363,915.40 : x - Step 2: Convert to fraction form
669,842.08/924,399.08 = 363,915.40/x - Step 3: Cross multiply
669,842.08x = 924,399.08 × 363,915.40 - Step 4: Simplify right side
669,842.08x = 336,403,060,957.83 - Step 5: Solve for x
x = 336,403,060,957.83/669,842.08 - Step 6: Final answer
x = 502,212.49
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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.