Finding the Fourth Proportional to 1,029,106.20, 1,543,659.30 and 468,140.70
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Solution
The fourth proportional to 1,029,106.20, 1,543,659.30 and 468,140.70 is: 702,211.05
Step by Step Solution
- Step 1: Write the proportion equation
1,029,106.20 : 1,543,659.30 = 468,140.70 : x - Step 2: Convert to fraction form
1,029,106.20/1,543,659.30 = 468,140.70/x - Step 3: Cross multiply
1,029,106.20x = 1,543,659.30 × 468,140.70 - Step 4: Simplify right side
1,029,106.20x = 722,649,745,263.51 - Step 5: Solve for x
x = 722,649,745,263.51/1,029,106.20 - Step 6: Final answer
x = 702,211.05
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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.