Finding the Fourth Proportional to 860,202.18, 1,187,408.16 and 573,617.70
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Solution
The fourth proportional to 860,202.18, 1,187,408.16 and 573,617.70 is: 791,811.92
Step by Step Solution
- Step 1: Write the proportion equation
860,202.18 : 1,187,408.16 = 573,617.70 : x - Step 2: Convert to fraction form
860,202.18/1,187,408.16 = 573,617.70/x - Step 3: Cross multiply
860,202.18x = 1,187,408.16 × 573,617.70 - Step 4: Simplify right side
860,202.18x = 681,118,337,700.43 - Step 5: Solve for x
x = 681,118,337,700.43/860,202.18 - Step 6: Final answer
x = 791,811.92
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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.