Finding the Fourth Proportional to 893,567.12, 1,233,135.12 and 485,668.84
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Solution
The fourth proportional to 893,567.12, 1,233,135.12 and 485,668.84 is: 670,229.79
Step by Step Solution
- Step 1: Write the proportion equation
893,567.12 : 1,233,135.12 = 485,668.84 : x - Step 2: Convert to fraction form
893,567.12/1,233,135.12 = 485,668.84/x - Step 3: Cross multiply
893,567.12x = 1,233,135.12 × 485,668.84 - Step 4: Simplify right side
893,567.12x = 598,895,303,293.66 - Step 5: Solve for x
x = 598,895,303,293.66/893,567.12 - Step 6: Final answer
x = 670,229.79
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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.