Finding the Fourth Proportional to 867,640.28, 1,299,765.47 and 597,720.74
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Solution
The fourth proportional to 867,640.28, 1,299,765.47 and 597,720.74 is: 895,413.45
Step by Step Solution
- Step 1: Write the proportion equation
867,640.28 : 1,299,765.47 = 597,720.74 : x - Step 2: Convert to fraction form
867,640.28/1,299,765.47 = 597,720.74/x - Step 3: Cross multiply
867,640.28x = 1,299,765.47 × 597,720.74 - Step 4: Simplify right side
867,640.28x = 776,896,769,067.42 - Step 5: Solve for x
x = 776,896,769,067.42/867,640.28 - Step 6: Final answer
x = 895,413.45
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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.