Finding the Fourth Proportional to 985,205.58, 1,475,462.58 and 629,116.62
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Solution
The fourth proportional to 985,205.58, 1,475,462.58 and 629,116.62 is: 942,176.99
Step by Step Solution
- Step 1: Write the proportion equation
985,205.58 : 1,475,462.58 = 629,116.62 : x - Step 2: Convert to fraction form
985,205.58/1,475,462.58 = 629,116.62/x - Step 3: Cross multiply
985,205.58x = 1,475,462.58 × 629,116.62 - Step 4: Simplify right side
985,205.58x = 928,238,031,266.08 - Step 5: Solve for x
x = 928,238,031,266.08/985,205.58 - Step 6: Final answer
x = 942,176.99
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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.