Finding the Fourth Proportional to 527,272.24, 727,636.36 and 285,555.20
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Solution
The fourth proportional to 527,272.24, 727,636.36 and 285,555.20 is: 394,066.54
Step by Step Solution
- Step 1: Write the proportion equation
527,272.24 : 727,636.36 = 285,555.20 : x - Step 2: Convert to fraction form
527,272.24/727,636.36 = 285,555.20/x - Step 3: Cross multiply
527,272.24x = 727,636.36 × 285,555.20 - Step 4: Simplify right side
527,272.24x = 207,780,346,307.07 - Step 5: Solve for x
x = 207,780,346,307.07/527,272.24 - Step 6: Final answer
x = 394,066.54
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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.