Finding the Fourth Proportional to 896,963.60, 1,237,819.50 and 489,062.12
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Solution
The fourth proportional to 896,963.60, 1,237,819.50 and 489,062.12 is: 674,911.03
Step by Step Solution
- Step 1: Write the proportion equation
896,963.60 : 1,237,819.50 = 489,062.12 : x - Step 2: Convert to fraction form
896,963.60/1,237,819.50 = 489,062.12/x - Step 3: Cross multiply
896,963.60x = 1,237,819.50 × 489,062.12 - Step 4: Simplify right side
896,963.60x = 605,370,628,847.34 - Step 5: Solve for x
x = 605,370,628,847.34/896,963.60 - Step 6: Final answer
x = 674,911.03
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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.