Finding the Fourth Proportional to 809,479.95, 1,117,053.09 and 446,896.14
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Solution
The fourth proportional to 809,479.95, 1,117,053.09 and 446,896.14 is: 616,700.53
Step by Step Solution
- Step 1: Write the proportion equation
809,479.95 : 1,117,053.09 = 446,896.14 : x - Step 2: Convert to fraction form
809,479.95/1,117,053.09 = 446,896.14/x - Step 3: Cross multiply
809,479.95x = 1,117,053.09 × 446,896.14 - Step 4: Simplify right side
809,479.95x = 499,206,714,096.07 - Step 5: Solve for x
x = 499,206,714,096.07/809,479.95 - Step 6: Final answer
x = 616,700.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.