Finding the Fourth Proportional to 800,663.18, 1,201,402.08 and 351,267.50
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Solution
The fourth proportional to 800,663.18, 1,201,402.08 and 351,267.50 is: 527,079.95
Step by Step Solution
- Step 1: Write the proportion equation
800,663.18 : 1,201,402.08 = 351,267.50 : x - Step 2: Convert to fraction form
800,663.18/1,201,402.08 = 351,267.50/x - Step 3: Cross multiply
800,663.18x = 1,201,402.08 × 351,267.50 - Step 4: Simplify right side
800,663.18x = 422,013,505,136.40 - Step 5: Solve for x
x = 422,013,505,136.40/800,663.18 - Step 6: Final answer
x = 527,079.95
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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.