Finding the Fourth Proportional to 748,780.76, 1,033,197.99 and 426,497.15
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Solution
The fourth proportional to 748,780.76, 1,033,197.99 and 426,497.15 is: 588,498.02
Step by Step Solution
- Step 1: Write the proportion equation
748,780.76 : 1,033,197.99 = 426,497.15 : x - Step 2: Convert to fraction form
748,780.76/1,033,197.99 = 426,497.15/x - Step 3: Cross multiply
748,780.76x = 1,033,197.99 × 426,497.15 - Step 4: Simplify right side
748,780.76x = 440,655,998,120.73 - Step 5: Solve for x
x = 440,655,998,120.73/748,780.76 - Step 6: Final answer
x = 588,498.02
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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.