Finding the Fourth Proportional to 731,209.10, 1,096,370.85 and 478,184.18
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Solution
The fourth proportional to 731,209.10, 1,096,370.85 and 478,184.18 is: 716,986.69
Step by Step Solution
- Step 1: Write the proportion equation
731,209.10 : 1,096,370.85 = 478,184.18 : x - Step 2: Convert to fraction form
731,209.10/1,096,370.85 = 478,184.18/x - Step 3: Cross multiply
731,209.10x = 1,096,370.85 × 478,184.18 - Step 4: Simplify right side
731,209.10x = 524,267,195,883.15 - Step 5: Solve for x
x = 524,267,195,883.15/731,209.10 - Step 6: Final answer
x = 716,986.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.