Finding the Fourth Proportional to 812,062.10, 1,120,388.06 and 472,464.74
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Solution
The fourth proportional to 812,062.10, 1,120,388.06 and 472,464.74 is: 651,851.44
Step by Step Solution
- Step 1: Write the proportion equation
812,062.10 : 1,120,388.06 = 472,464.74 : x - Step 2: Convert to fraction form
812,062.10/1,120,388.06 = 472,464.74/x - Step 3: Cross multiply
812,062.10x = 1,120,388.06 × 472,464.74 - Step 4: Simplify right side
812,062.10x = 529,343,845,502.74 - Step 5: Solve for x
x = 529,343,845,502.74/812,062.10 - Step 6: Final answer
x = 651,851.44
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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.