Finding the Fourth Proportional to 862,536.51, 1,190,308.55 and 475,366.10
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Solution
The fourth proportional to 862,536.51, 1,190,308.55 and 475,366.10 is: 656,009.71
Step by Step Solution
- Step 1: Write the proportion equation
862,536.51 : 1,190,308.55 = 475,366.10 : x - Step 2: Convert to fraction form
862,536.51/1,190,308.55 = 475,366.10/x - Step 3: Cross multiply
862,536.51x = 1,190,308.55 × 475,366.10 - Step 4: Simplify right side
862,536.51x = 565,832,324,881.78 - Step 5: Solve for x
x = 565,832,324,881.78/862,536.51 - Step 6: Final answer
x = 656,009.71
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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.