Finding the Fourth Proportional to 868,366.60, 1,198,311.18 and 486,373.84
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Solution
The fourth proportional to 868,366.60, 1,198,311.18 and 486,373.84 is: 671,176.45
Step by Step Solution
- Step 1: Write the proportion equation
868,366.60 : 1,198,311.18 = 486,373.84 : x - Step 2: Convert to fraction form
868,366.60/1,198,311.18 = 486,373.84/x - Step 3: Cross multiply
868,366.60x = 1,198,311.18 × 486,373.84 - Step 4: Simplify right side
868,366.60x = 582,827,210,131.53 - Step 5: Solve for x
x = 582,827,210,131.53/868,366.60 - Step 6: Final answer
x = 671,176.45
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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.