Finding the Fourth Proportional to 522,656.74, 721,575.49 and 329,230.26
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Solution
The fourth proportional to 522,656.74, 721,575.49 and 329,230.26 is: 454,532.52
Step by Step Solution
- Step 1: Write the proportion equation
522,656.74 : 721,575.49 = 329,230.26 : x - Step 2: Convert to fraction form
522,656.74/721,575.49 = 329,230.26/x - Step 3: Cross multiply
522,656.74x = 721,575.49 × 329,230.26 - Step 4: Simplify right side
522,656.74x = 237,564,486,182.33 - Step 5: Solve for x
x = 237,564,486,182.33/522,656.74 - Step 6: Final answer
x = 454,532.52
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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.