Finding the Fourth Proportional to 1,014,821.10, 1,521,909.36 and 331,552.26
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Solution
The fourth proportional to 1,014,821.10, 1,521,909.36 and 331,552.26 is: 497,223.09
Step by Step Solution
- Step 1: Write the proportion equation
1,014,821.10 : 1,521,909.36 = 331,552.26 : x - Step 2: Convert to fraction form
1,014,821.10/1,521,909.36 = 331,552.26/x - Step 3: Cross multiply
1,014,821.10x = 1,521,909.36 × 331,552.26 - Step 4: Simplify right side
1,014,821.10x = 504,592,487,823.15 - Step 5: Solve for x
x = 504,592,487,823.15/1,014,821.10 - Step 6: Final answer
x = 497,223.09
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1.5x scale
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.