Finding the Fourth Proportional to 721,567.17, 1,082,030.80 and 384,545
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Solution
The fourth proportional to 721,567.17, 1,082,030.80 and 384,545 is: 576,646.99
Step by Step Solution
- Step 1: Write the proportion equation
721,567.17 : 1,082,030.80 = 384,545 : x - Step 2: Convert to fraction form
721,567.17/1,082,030.80 = 384,545/x - Step 3: Cross multiply
721,567.17x = 1,082,030.80 × 384,545 - Step 4: Simplify right side
721,567.17x = 416,089,533,986 - Step 5: Solve for x
x = 416,089,533,986/721,567.17 - Step 6: Final answer
x = 576,646.99
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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.