Finding the Fourth Proportional to 782,857.95, 1,080,325.67 and 460,588.79
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Solution
The fourth proportional to 782,857.95, 1,080,325.67 and 460,588.79 is: 635,601.75
Step by Step Solution
- Step 1: Write the proportion equation
782,857.95 : 1,080,325.67 = 460,588.79 : x - Step 2: Convert to fraction form
782,857.95/1,080,325.67 = 460,588.79/x - Step 3: Cross multiply
782,857.95x = 1,080,325.67 × 460,588.79 - Step 4: Simplify right side
782,857.95x = 497,585,885,446.67 - Step 5: Solve for x
x = 497,585,885,446.67/782,857.95 - Step 6: Final answer
x = 635,601.75
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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.