Finding the Fourth Proportional to 824,438.70, 1,234,908.45 and 684,470.70
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Solution
The fourth proportional to 824,438.70, 1,234,908.45 and 684,470.70 is: 1,025,253.49
Step by Step Solution
- Step 1: Write the proportion equation
824,438.70 : 1,234,908.45 = 684,470.70 : x - Step 2: Convert to fraction form
824,438.70/1,234,908.45 = 684,470.70/x - Step 3: Cross multiply
824,438.70x = 1,234,908.45 × 684,470.70 - Step 4: Simplify right side
824,438.70x = 845,258,651,207.42 - Step 5: Solve for x
x = 845,258,651,207.42/824,438.70 - Step 6: Final answer
x = 1,025,253.49
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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.