Finding the Fourth Proportional to 687,051.08, 1,029,525.62 and 367,248.44
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Solution
The fourth proportional to 687,051.08, 1,029,525.62 and 367,248.44 is: 550,310.87
Step by Step Solution
- Step 1: Write the proportion equation
687,051.08 : 1,029,525.62 = 367,248.44 : x - Step 2: Convert to fraction form
687,051.08/1,029,525.62 = 367,248.44/x - Step 3: Cross multiply
687,051.08x = 1,029,525.62 × 367,248.44 - Step 4: Simplify right side
687,051.08x = 378,091,673,655.53 - Step 5: Solve for x
x = 378,091,673,655.53/687,051.08 - Step 6: Final answer
x = 550,310.87
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1.5x scale
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.