Finding the Fourth Proportional to 1,330,309.10, 1,995,722.85 and 531,454.70
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Solution
The fourth proportional to 1,330,309.10, 1,995,722.85 and 531,454.70 is: 797,285.60
Step by Step Solution
- Step 1: Write the proportion equation
1,330,309.10 : 1,995,722.85 = 531,454.70 : x - Step 2: Convert to fraction form
1,330,309.10/1,995,722.85 = 531,454.70/x - Step 3: Cross multiply
1,330,309.10x = 1,995,722.85 × 531,454.70 - Step 4: Simplify right side
1,330,309.10x = 1,060,636,288,529.89 - Step 5: Solve for x
x = 1,060,636,288,529.89/1,330,309.10 - Step 6: Final answer
x = 797,285.60
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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.