Finding the Fourth Proportional to 806,062.70, 1,112,525.62 and 462,129.68
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Solution
The fourth proportional to 806,062.70, 1,112,525.62 and 462,129.68 is: 637,830.17
Step by Step Solution
- Step 1: Write the proportion equation
806,062.70 : 1,112,525.62 = 462,129.68 : x - Step 2: Convert to fraction form
806,062.70/1,112,525.62 = 462,129.68/x - Step 3: Cross multiply
806,062.70x = 1,112,525.62 × 462,129.68 - Step 4: Simplify right side
806,062.70x = 514,131,108,762.40 - Step 5: Solve for x
x = 514,131,108,762.40/806,062.70 - Step 6: Final answer
x = 637,830.17
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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.