Finding the Fourth Proportional to 1,020,879.84, 1,531,541.52 and 310,889.64
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Solution
The fourth proportional to 1,020,879.84, 1,531,541.52 and 310,889.64 is: 466,401.99
Step by Step Solution
- Step 1: Write the proportion equation
1,020,879.84 : 1,531,541.52 = 310,889.64 : x - Step 2: Convert to fraction form
1,020,879.84/1,531,541.52 = 310,889.64/x - Step 3: Cross multiply
1,020,879.84x = 1,531,541.52 × 310,889.64 - Step 4: Simplify right side
1,020,879.84x = 476,140,391,797.85 - Step 5: Solve for x
x = 476,140,391,797.85/1,020,879.84 - Step 6: Final answer
x = 466,401.99
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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.