Finding the Fourth Proportional to 663,395.10, 995,609.33 and 462,407.07
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Solution
The fourth proportional to 663,395.10, 995,609.33 and 462,407.07 is: 693,970.75
Step by Step Solution
- Step 1: Write the proportion equation
663,395.10 : 995,609.33 = 462,407.07 : x - Step 2: Convert to fraction form
663,395.10/995,609.33 = 462,407.07/x - Step 3: Cross multiply
663,395.10x = 995,609.33 × 462,407.07 - Step 4: Simplify right side
663,395.10x = 460,376,793,149.96 - Step 5: Solve for x
x = 460,376,793,149.96/663,395.10 - Step 6: Final answer
x = 693,970.75
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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.