Finding the Fourth Proportional to 726,726.24, 1,090,263.84 and 228,090.24
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Solution
The fourth proportional to 726,726.24, 1,090,263.84 and 228,090.24 is: 342,190.12
Step by Step Solution
- Step 1: Write the proportion equation
726,726.24 : 1,090,263.84 = 228,090.24 : x - Step 2: Convert to fraction form
726,726.24/1,090,263.84 = 228,090.24/x - Step 3: Cross multiply
726,726.24x = 1,090,263.84 × 228,090.24 - Step 4: Simplify right side
726,726.24x = 248,678,540,928.92 - Step 5: Solve for x
x = 248,678,540,928.92/726,726.24 - Step 6: Final answer
x = 342,190.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.