Finding the Fourth Proportional to 532,425.06, 734,639.58 and 338,910.66
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Solution
The fourth proportional to 532,425.06, 734,639.58 and 338,910.66 is: 467,628.60
Step by Step Solution
- Step 1: Write the proportion equation
532,425.06 : 734,639.58 = 338,910.66 : x - Step 2: Convert to fraction form
532,425.06/734,639.58 = 338,910.66/x - Step 3: Cross multiply
532,425.06x = 734,639.58 × 338,910.66 - Step 4: Simplify right side
532,425.06x = 248,977,184,919.92 - Step 5: Solve for x
x = 248,977,184,919.92/532,425.06 - Step 6: Final answer
x = 467,628.60
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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.