Finding the Fourth Proportional to 696,217.95, 960,708.60 and 409,720.95
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Solution
The fourth proportional to 696,217.95, 960,708.60 and 409,720.95 is: 565,372.44
Step by Step Solution
- Step 1: Write the proportion equation
696,217.95 : 960,708.60 = 409,720.95 : x - Step 2: Convert to fraction form
696,217.95/960,708.60 = 409,720.95/x - Step 3: Cross multiply
696,217.95x = 960,708.60 × 409,720.95 - Step 4: Simplify right side
696,217.95x = 393,622,440,265.17 - Step 5: Solve for x
x = 393,622,440,265.17/696,217.95 - Step 6: Final answer
x = 565,372.44
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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.