Finding the Fourth Proportional to 697,755.42, 963,052.56 and 425,765.07
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Solution
The fourth proportional to 697,755.42, 963,052.56 and 425,765.07 is: 587,647.37
Step by Step Solution
- Step 1: Write the proportion equation
697,755.42 : 963,052.56 = 425,765.07 : x - Step 2: Convert to fraction form
697,755.42/963,052.56 = 425,765.07/x - Step 3: Cross multiply
697,755.42x = 963,052.56 × 425,765.07 - Step 4: Simplify right side
697,755.42x = 410,034,140,622.08 - Step 5: Solve for x
x = 410,034,140,622.08/697,755.42 - Step 6: Final answer
x = 587,647.37
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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.