Finding the Fourth Proportional to 669,995.78, 924,219.77 and 411,693.26
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Solution
The fourth proportional to 669,995.78, 924,219.77 and 411,693.26 is: 567,906.63
Step by Step Solution
- Step 1: Write the proportion equation
669,995.78 : 924,219.77 = 411,693.26 : x - Step 2: Convert to fraction form
669,995.78/924,219.77 = 411,693.26/x - Step 3: Cross multiply
669,995.78x = 924,219.77 × 411,693.26 - Step 4: Simplify right side
669,995.78x = 380,495,043,388.19 - Step 5: Solve for x
x = 380,495,043,388.19/669,995.78 - Step 6: Final answer
x = 567,906.63
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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.