Finding the Fourth Proportional to 832,352.36, 1,148,446.50 and 505,658.84
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Solution
The fourth proportional to 832,352.36, 1,148,446.50 and 505,658.84 is: 697,687.85
Step by Step Solution
- Step 1: Write the proportion equation
832,352.36 : 1,148,446.50 = 505,658.84 : x - Step 2: Convert to fraction form
832,352.36/1,148,446.50 = 505,658.84/x - Step 3: Cross multiply
832,352.36x = 1,148,446.50 × 505,658.84 - Step 4: Simplify right side
832,352.36x = 580,722,124,992.06 - Step 5: Solve for x
x = 580,722,124,992.06/832,352.36 - Step 6: Final answer
x = 697,687.85
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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.