Finding the Fourth Proportional to 782,857.98, 1,080,325.58 and 460,588.80
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Solution
The fourth proportional to 782,857.98, 1,080,325.58 and 460,588.80 is: 635,601.70
Step by Step Solution
- Step 1: Write the proportion equation
782,857.98 : 1,080,325.58 = 460,588.80 : x - Step 2: Convert to fraction form
782,857.98/1,080,325.58 = 460,588.80/x - Step 3: Cross multiply
782,857.98x = 1,080,325.58 × 460,588.80 - Step 4: Simplify right side
782,857.98x = 497,585,862,501.50 - Step 5: Solve for x
x = 497,585,862,501.50/782,857.98 - Step 6: Final answer
x = 635,601.70
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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.