Finding the Fourth Proportional to 802,257.17, 1,107,123.39 and 439,673.09
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Solution
The fourth proportional to 802,257.17, 1,107,123.39 and 439,673.09 is: 606,753.52
Step by Step Solution
- Step 1: Write the proportion equation
802,257.17 : 1,107,123.39 = 439,673.09 : x - Step 2: Convert to fraction form
802,257.17/1,107,123.39 = 439,673.09/x - Step 3: Cross multiply
802,257.17x = 1,107,123.39 × 439,673.09 - Step 4: Simplify right side
802,257.17x = 486,772,356,356.96 - Step 5: Solve for x
x = 486,772,356,356.96/802,257.17 - Step 6: Final answer
x = 606,753.52
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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.