Finding the Fourth Proportional to 805,413.58, 1,208,037.24 and 272,920.79
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Solution
The fourth proportional to 805,413.58, 1,208,037.24 and 272,920.79 is: 409,353.02
Step by Step Solution
- Step 1: Write the proportion equation
805,413.58 : 1,208,037.24 = 272,920.79 : x - Step 2: Convert to fraction form
805,413.58/1,208,037.24 = 272,920.79/x - Step 3: Cross multiply
805,413.58x = 1,208,037.24 × 272,920.79 - Step 4: Simplify right side
805,413.58x = 329,698,480,910.31 - Step 5: Solve for x
x = 329,698,480,910.31/805,413.58 - Step 6: Final answer
x = 409,353.02
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1.5x scale
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.