Finding the Fourth Proportional to 832,626.24, 1,149,079.68 and 469,921.20
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Solution
The fourth proportional to 832,626.24, 1,149,079.68 and 469,921.20 is: 648,522.56
Step by Step Solution
- Step 1: Write the proportion equation
832,626.24 : 1,149,079.68 = 469,921.20 : x - Step 2: Convert to fraction form
832,626.24/1,149,079.68 = 469,921.20/x - Step 3: Cross multiply
832,626.24x = 1,149,079.68 × 469,921.20 - Step 4: Simplify right side
832,626.24x = 539,976,902,121.22 - Step 5: Solve for x
x = 539,976,902,121.22/832,626.24 - Step 6: Final answer
x = 648,522.56
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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.