Finding the Fourth Proportional to 669,819.56, 924,347.16 and 363,893.49
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Solution
The fourth proportional to 669,819.56, 924,347.16 and 363,893.49 is: 502,170.94
Step by Step Solution
- Step 1: Write the proportion equation
669,819.56 : 924,347.16 = 363,893.49 : x - Step 2: Convert to fraction form
669,819.56/924,347.16 = 363,893.49/x - Step 3: Cross multiply
669,819.56x = 924,347.16 × 363,893.49 - Step 4: Simplify right side
669,819.56x = 336,363,914,023.99 - Step 5: Solve for x
x = 336,363,914,023.99/669,819.56 - Step 6: Final answer
x = 502,170.94
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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.