Finding the Fourth Proportional to 802,335.04, 1,107,235.44 and 439,793.68
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Solution
The fourth proportional to 802,335.04, 1,107,235.44 and 439,793.68 is: 606,922.45
Step by Step Solution
- Step 1: Write the proportion equation
802,335.04 : 1,107,235.44 = 439,793.68 : x - Step 2: Convert to fraction form
802,335.04/1,107,235.44 = 439,793.68/x - Step 3: Cross multiply
802,335.04x = 1,107,235.44 × 439,793.68 - Step 4: Simplify right side
802,335.04x = 486,955,148,784.02 - Step 5: Solve for x
x = 486,955,148,784.02/802,335.04 - Step 6: Final answer
x = 606,922.45
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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.