Finding the Fourth Proportional to 750,916.99, 1,036,266.50 and 406,756.63
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Solution
The fourth proportional to 750,916.99, 1,036,266.50 and 406,756.63 is: 561,324.72
Step by Step Solution
- Step 1: Write the proportion equation
750,916.99 : 1,036,266.50 = 406,756.63 : x - Step 2: Convert to fraction form
750,916.99/1,036,266.50 = 406,756.63/x - Step 3: Cross multiply
750,916.99x = 1,036,266.50 × 406,756.63 - Step 4: Simplify right side
750,916.99x = 421,508,269,321.90 - Step 5: Solve for x
x = 421,508,269,321.90/750,916.99 - Step 6: Final answer
x = 561,324.72
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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.