Finding the Fourth Proportional to 640,450.48, 883,929.18 and 433,625.08
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Solution
The fourth proportional to 640,450.48, 883,929.18 and 433,625.08 is: 598,475.41
Step by Step Solution
- Step 1: Write the proportion equation
640,450.48 : 883,929.18 = 433,625.08 : x - Step 2: Convert to fraction form
640,450.48/883,929.18 = 433,625.08/x - Step 3: Cross multiply
640,450.48x = 883,929.18 × 433,625.08 - Step 4: Simplify right side
640,450.48x = 383,293,861,391.83 - Step 5: Solve for x
x = 383,293,861,391.83/640,450.48 - Step 6: Final answer
x = 598,475.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.