Finding the Fourth Proportional to 706,239.18, 974,616.23 and 383,949.49
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Solution
The fourth proportional to 706,239.18, 974,616.23 and 383,949.49 is: 529,853.65
Step by Step Solution
- Step 1: Write the proportion equation
706,239.18 : 974,616.23 = 383,949.49 : x - Step 2: Convert to fraction form
706,239.18/974,616.23 = 383,949.49/x - Step 3: Cross multiply
706,239.18x = 974,616.23 × 383,949.49 - Step 4: Simplify right side
706,239.18x = 374,203,404,454.22 - Step 5: Solve for x
x = 374,203,404,454.22/706,239.18 - Step 6: Final answer
x = 529,853.65
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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.