Finding the Fourth Proportional to 472,410.63, 651,525.58 and 399,181.82
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Solution
The fourth proportional to 472,410.63, 651,525.58 and 399,181.82 is: 550,531.99
Step by Step Solution
- Step 1: Write the proportion equation
472,410.63 : 651,525.58 = 399,181.82 : x - Step 2: Convert to fraction form
472,410.63/651,525.58 = 399,181.82/x - Step 3: Cross multiply
472,410.63x = 651,525.58 × 399,181.82 - Step 4: Simplify right side
472,410.63x = 260,077,164,042.31 - Step 5: Solve for x
x = 260,077,164,042.31/472,410.63 - Step 6: Final answer
x = 550,531.99
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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.