Finding the Fourth Proportional to 687,051.58, 1,029,526.37 and 367,248.94
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Solution
The fourth proportional to 687,051.58, 1,029,526.37 and 367,248.94 is: 550,311.62
Step by Step Solution
- Step 1: Write the proportion equation
687,051.58 : 1,029,526.37 = 367,248.94 : x - Step 2: Convert to fraction form
687,051.58/1,029,526.37 = 367,248.94/x - Step 3: Cross multiply
687,051.58x = 1,029,526.37 × 367,248.94 - Step 4: Simplify right side
687,051.58x = 378,092,462,936.92 - Step 5: Solve for x
x = 378,092,462,936.92/687,051.58 - Step 6: Final answer
x = 550,311.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.