Finding the Fourth Proportional to 665,627.84, 918,566.88 and 363,821.84
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Solution
The fourth proportional to 665,627.84, 918,566.88 and 363,821.84 is: 502,074.39
Step by Step Solution
- Step 1: Write the proportion equation
665,627.84 : 918,566.88 = 363,821.84 : x - Step 2: Convert to fraction form
665,627.84/918,566.88 = 363,821.84/x - Step 3: Cross multiply
665,627.84x = 918,566.88 × 363,821.84 - Step 4: Simplify right side
665,627.84x = 334,194,692,444.66 - Step 5: Solve for x
x = 334,194,692,444.66/665,627.84 - Step 6: Final answer
x = 502,074.39
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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.