Finding the Fourth Proportional to 799,643.21, 1,103,627.84 and 489,730.73
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Solution
The fourth proportional to 799,643.21, 1,103,627.84 and 489,730.73 is: 675,902.02
Step by Step Solution
- Step 1: Write the proportion equation
799,643.21 : 1,103,627.84 = 489,730.73 : x - Step 2: Convert to fraction form
799,643.21/1,103,627.84 = 489,730.73/x - Step 3: Cross multiply
799,643.21x = 1,103,627.84 × 489,730.73 - Step 4: Simplify right side
799,643.21x = 540,480,459,764.73 - Step 5: Solve for x
x = 540,480,459,764.73/799,643.21 - Step 6: Final answer
x = 675,902.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.