Finding the Fourth Proportional to 748,910.88, 1,033,423.92 and 426,595.68
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Solution
The fourth proportional to 748,910.88, 1,033,423.92 and 426,595.68 is: 588,660.40
Step by Step Solution
- Step 1: Write the proportion equation
748,910.88 : 1,033,423.92 = 426,595.68 : x - Step 2: Convert to fraction form
748,910.88/1,033,423.92 = 426,595.68/x - Step 3: Cross multiply
748,910.88x = 1,033,423.92 × 426,595.68 - Step 4: Simplify right side
748,910.88x = 440,854,179,880.67 - Step 5: Solve for x
x = 440,854,179,880.67/748,910.88 - Step 6: Final answer
x = 588,660.40
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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.