Finding the Fourth Proportional to 644,163.30, 964,276.65 and 502,445.70
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Solution
The fourth proportional to 644,163.30, 964,276.65 and 502,445.70 is: 752,133.28
Step by Step Solution
- Step 1: Write the proportion equation
644,163.30 : 964,276.65 = 502,445.70 : x - Step 2: Convert to fraction form
644,163.30/964,276.65 = 502,445.70/x - Step 3: Cross multiply
644,163.30x = 964,276.65 × 502,445.70 - Step 4: Simplify right side
644,163.30x = 484,496,656,402.91 - Step 5: Solve for x
x = 484,496,656,402.91/644,163.30 - Step 6: Final answer
x = 752,133.28
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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.