Finding the Fourth Proportional to 841,450.98, 1,262,635.68 and 487,156.98
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Solution
The fourth proportional to 841,450.98, 1,262,635.68 and 487,156.98 is: 731,001.33
Step by Step Solution
- Step 1: Write the proportion equation
841,450.98 : 1,262,635.68 = 487,156.98 : x - Step 2: Convert to fraction form
841,450.98/1,262,635.68 = 487,156.98/x - Step 3: Cross multiply
841,450.98x = 1,262,635.68 × 487,156.98 - Step 4: Simplify right side
841,450.98x = 615,101,784,709.05 - Step 5: Solve for x
x = 615,101,784,709.05/841,450.98 - Step 6: Final answer
x = 731,001.33
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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.