Finding the Fourth Proportional to 946,726.98, 1,306,606.68 and 538,749.42
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Solution
The fourth proportional to 946,726.98, 1,306,606.68 and 538,749.42 is: 743,544.45
Step by Step Solution
- Step 1: Write the proportion equation
946,726.98 : 1,306,606.68 = 538,749.42 : x - Step 2: Convert to fraction form
946,726.98/1,306,606.68 = 538,749.42/x - Step 3: Cross multiply
946,726.98x = 1,306,606.68 × 538,749.42 - Step 4: Simplify right side
946,726.98x = 703,933,591,018.13 - Step 5: Solve for x
x = 703,933,591,018.13/946,726.98 - Step 6: Final answer
x = 743,544.45
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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.