Finding the Fourth Proportional to 563,569.08, 777,745.26 and 308,920.20
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Solution
The fourth proportional to 563,569.08, 777,745.26 and 308,920.20 is: 426,320.80
Step by Step Solution
- Step 1: Write the proportion equation
563,569.08 : 777,745.26 = 308,920.20 : x - Step 2: Convert to fraction form
563,569.08/777,745.26 = 308,920.20/x - Step 3: Cross multiply
563,569.08x = 777,745.26 × 308,920.20 - Step 4: Simplify right side
563,569.08x = 240,261,221,268.25 - Step 5: Solve for x
x = 240,261,221,268.25/563,569.08 - Step 6: Final answer
x = 426,320.80
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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.