Finding the Fourth Proportional to 879,897.41, 1,214,258.42 and 477,489.41
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Solution
The fourth proportional to 879,897.41, 1,214,258.42 and 477,489.41 is: 658,935.38
Step by Step Solution
- Step 1: Write the proportion equation
879,897.41 : 1,214,258.42 = 477,489.41 : x - Step 2: Convert to fraction form
879,897.41/1,214,258.42 = 477,489.41/x - Step 3: Cross multiply
879,897.41x = 1,214,258.42 × 477,489.41 - Step 4: Simplify right side
879,897.41x = 579,795,536,553.33 - Step 5: Solve for x
x = 579,795,536,553.33/879,897.41 - Step 6: Final answer
x = 658,935.38
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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.