Finding the Fourth Proportional to 923,541.66, 1,385,750.73 and 639,668.70
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Solution
The fourth proportional to 923,541.66, 1,385,750.73 and 639,668.70 is: 959,806.59
Step by Step Solution
- Step 1: Write the proportion equation
923,541.66 : 1,385,750.73 = 639,668.70 : x - Step 2: Convert to fraction form
923,541.66/1,385,750.73 = 639,668.70/x - Step 3: Cross multiply
923,541.66x = 1,385,750.73 × 639,668.70 - Step 4: Simplify right side
923,541.66x = 886,421,367,983.15 - Step 5: Solve for x
x = 886,421,367,983.15/923,541.66 - Step 6: Final answer
x = 959,806.59
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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.