Finding the Fourth Proportional to 925,740.23, 1,277,006.92 and 538,512.08
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Solution
The fourth proportional to 925,740.23, 1,277,006.92 and 538,512.08 is: 742,847.32
Step by Step Solution
- Step 1: Write the proportion equation
925,740.23 : 1,277,006.92 = 538,512.08 : x - Step 2: Convert to fraction form
925,740.23/1,277,006.92 = 538,512.08/x - Step 3: Cross multiply
925,740.23x = 1,277,006.92 × 538,512.08 - Step 4: Simplify right side
925,740.23x = 687,683,644,932.28 - Step 5: Solve for x
x = 687,683,644,932.28/925,740.23 - Step 6: Final answer
x = 742,847.32
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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.