Finding the Fourth Proportional to 903,295.72, 1,246,570.98 and 495,413.80
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Solution
The fourth proportional to 903,295.72, 1,246,570.98 and 495,413.80 is: 683,683.60
Step by Step Solution
- Step 1: Write the proportion equation
903,295.72 : 1,246,570.98 = 495,413.80 : x - Step 2: Convert to fraction form
903,295.72/1,246,570.98 = 495,413.80/x - Step 3: Cross multiply
903,295.72x = 1,246,570.98 × 495,413.80 - Step 4: Simplify right side
903,295.72x = 617,568,466,171.52 - Step 5: Solve for x
x = 617,568,466,171.52/903,295.72 - Step 6: Final answer
x = 683,683.60
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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.