Finding the Fourth Proportional to 875,682.41, 1,208,414.30 and 513,347.58
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Solution
The fourth proportional to 875,682.41, 1,208,414.30 and 513,347.58 is: 708,403.58
Step by Step Solution
- Step 1: Write the proportion equation
875,682.41 : 1,208,414.30 = 513,347.58 : x - Step 2: Convert to fraction form
875,682.41/1,208,414.30 = 513,347.58/x - Step 3: Cross multiply
875,682.41x = 1,208,414.30 × 513,347.58 - Step 4: Simplify right side
875,682.41x = 620,336,553,975.66 - Step 5: Solve for x
x = 620,336,553,975.66/875,682.41 - Step 6: Final answer
x = 708,403.58
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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.