Finding the Fourth Proportional to 727,713.85, 1,086,454.05 and 556,037.08
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Solution
The fourth proportional to 727,713.85, 1,086,454.05 and 556,037.08 is: 830,146.00
Step by Step Solution
- Step 1: Write the proportion equation
727,713.85 : 1,086,454.05 = 556,037.08 : x - Step 2: Convert to fraction form
727,713.85/1,086,454.05 = 556,037.08/x - Step 3: Cross multiply
727,713.85x = 1,086,454.05 × 556,037.08 - Step 4: Simplify right side
727,713.85x = 604,108,735,794.57 - Step 5: Solve for x
x = 604,108,735,794.57/727,713.85 - Step 6: Final answer
x = 830,146.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.