Finding the Fourth Proportional to 629,403.11, 944,927.87 and 373,702.48
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Solution
The fourth proportional to 629,403.11, 944,927.87 and 373,702.48 is: 561,042.49
Step by Step Solution
- Step 1: Write the proportion equation
629,403.11 : 944,927.87 = 373,702.48 : x - Step 2: Convert to fraction form
629,403.11/944,927.87 = 373,702.48/x - Step 3: Cross multiply
629,403.11x = 944,927.87 × 373,702.48 - Step 4: Simplify right side
629,403.11x = 353,121,884,209.29 - Step 5: Solve for x
x = 353,121,884,209.29/629,403.11 - Step 6: Final answer
x = 561,042.49
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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.