Finding the Fourth Proportional to 623,941.98, 861,039.84 and 337,461.99
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Solution
The fourth proportional to 623,941.98, 861,039.84 and 337,461.99 is: 465,697.50
Step by Step Solution
- Step 1: Write the proportion equation
623,941.98 : 861,039.84 = 337,461.99 : x - Step 2: Convert to fraction form
623,941.98/861,039.84 = 337,461.99/x - Step 3: Cross multiply
623,941.98x = 861,039.84 × 337,461.99 - Step 4: Simplify right side
623,941.98x = 290,568,217,875.68 - Step 5: Solve for x
x = 290,568,217,875.68/623,941.98 - Step 6: Final answer
x = 465,697.50
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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.