Finding the Fourth Proportional to 665,625.84, 918,564.12 and 363,819.84
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Solution
The fourth proportional to 665,625.84, 918,564.12 and 363,819.84 is: 502,071.63
Step by Step Solution
- Step 1: Write the proportion equation
665,625.84 : 918,564.12 = 363,819.84 : x - Step 2: Convert to fraction form
665,625.84/918,564.12 = 363,819.84/x - Step 3: Cross multiply
665,625.84x = 918,564.12 × 363,819.84 - Step 4: Simplify right side
665,625.84x = 334,191,851,168.14 - Step 5: Solve for x
x = 334,191,851,168.14/665,625.84 - Step 6: Final answer
x = 502,071.63
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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.