Finding the Fourth Proportional to 946,932.16, 1,306,794.88 and 517,235.36
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Solution
The fourth proportional to 946,932.16, 1,306,794.88 and 517,235.36 is: 713,800.36
Step by Step Solution
- Step 1: Write the proportion equation
946,932.16 : 1,306,794.88 = 517,235.36 : x - Step 2: Convert to fraction form
946,932.16/1,306,794.88 = 517,235.36/x - Step 3: Cross multiply
946,932.16x = 1,306,794.88 × 517,235.36 - Step 4: Simplify right side
946,932.16x = 675,920,520,202.96 - Step 5: Solve for x
x = 675,920,520,202.96/946,932.16 - Step 6: Final answer
x = 713,800.36
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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.