Finding the Fourth Proportional to 946,955.08, 1,306,739.82 and 517,148.02
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Solution
The fourth proportional to 946,955.08, 1,306,739.82 and 517,148.02 is: 713,632.49
Step by Step Solution
- Step 1: Write the proportion equation
946,955.08 : 1,306,739.82 = 517,148.02 : x - Step 2: Convert to fraction form
946,955.08/1,306,739.82 = 517,148.02/x - Step 3: Cross multiply
946,955.08x = 1,306,739.82 × 517,148.02 - Step 4: Simplify right side
946,955.08x = 675,777,910,568.16 - Step 5: Solve for x
x = 675,777,910,568.16/946,955.08 - Step 6: Final answer
x = 713,632.49
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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.