Finding the Fourth Proportional to 833,429.36, 1,150,108.88 and 489,259.79
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Solution
The fourth proportional to 833,429.36, 1,150,108.88 and 489,259.79 is: 675,164.63
Step by Step Solution
- Step 1: Write the proportion equation
833,429.36 : 1,150,108.88 = 489,259.79 : x - Step 2: Convert to fraction form
833,429.36/1,150,108.88 = 489,259.79/x - Step 3: Cross multiply
833,429.36x = 1,150,108.88 × 489,259.79 - Step 4: Simplify right side
833,429.36x = 562,702,020,909.09 - Step 5: Solve for x
x = 562,702,020,909.09/833,429.36 - Step 6: Final answer
x = 675,164.63
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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.