Finding the Fourth Proportional to 893,219.70, 1,340,218.35 and 449,987.70
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Solution
The fourth proportional to 893,219.70, 1,340,218.35 and 449,987.70 is: 675,177.42
Step by Step Solution
- Step 1: Write the proportion equation
893,219.70 : 1,340,218.35 = 449,987.70 : x - Step 2: Convert to fraction form
893,219.70/1,340,218.35 = 449,987.70/x - Step 3: Cross multiply
893,219.70x = 1,340,218.35 × 449,987.70 - Step 4: Simplify right side
893,219.70x = 603,081,772,814.30 - Step 5: Solve for x
x = 603,081,772,814.30/893,219.70 - Step 6: Final answer
x = 675,177.42
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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.