Finding the Fourth Proportional to 526,903.71, 727,144.71 and 322,915.23
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Solution
The fourth proportional to 526,903.71, 727,144.71 and 322,915.23 is: 445,633.80
Step by Step Solution
- Step 1: Write the proportion equation
526,903.71 : 727,144.71 = 322,915.23 : x - Step 2: Convert to fraction form
526,903.71/727,144.71 = 322,915.23/x - Step 3: Cross multiply
526,903.71x = 727,144.71 × 322,915.23 - Step 4: Simplify right side
526,903.71x = 234,806,101,272.93 - Step 5: Solve for x
x = 234,806,101,272.93/526,903.71 - Step 6: Final answer
x = 445,633.80
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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.