Finding the Fourth Proportional to 728,969.34, 1,092,567.49 and 515,798.67
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Solution
The fourth proportional to 728,969.34, 1,092,567.49 and 515,798.67 is: 773,070.73
Step by Step Solution
- Step 1: Write the proportion equation
728,969.34 : 1,092,567.49 = 515,798.67 : x - Step 2: Convert to fraction form
728,969.34/1,092,567.49 = 515,798.67/x - Step 3: Cross multiply
728,969.34x = 1,092,567.49 × 515,798.67 - Step 4: Simplify right side
728,969.34x = 563,544,858,227.24 - Step 5: Solve for x
x = 563,544,858,227.24/728,969.34 - Step 6: Final answer
x = 773,070.73
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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.