Finding the Fourth Proportional to 880,372.14, 1,215,202.95 and 517,780.50
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Solution
The fourth proportional to 880,372.14, 1,215,202.95 and 517,780.50 is: 714,707.30
Step by Step Solution
- Step 1: Write the proportion equation
880,372.14 : 1,215,202.95 = 517,780.50 : x - Step 2: Convert to fraction form
880,372.14/1,215,202.95 = 517,780.50/x - Step 3: Cross multiply
880,372.14x = 1,215,202.95 × 517,780.50 - Step 4: Simplify right side
880,372.14x = 629,208,391,052.48 - Step 5: Solve for x
x = 629,208,391,052.48/880,372.14 - Step 6: Final answer
x = 714,707.30
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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.