Finding the Fourth Proportional to 871,652.56, 1,202,873.28 and 489,671.08
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Solution
The fourth proportional to 871,652.56, 1,202,873.28 and 489,671.08 is: 675,742.02
Step by Step Solution
- Step 1: Write the proportion equation
871,652.56 : 1,202,873.28 = 489,671.08 : x - Step 2: Convert to fraction form
871,652.56/1,202,873.28 = 489,671.08/x - Step 3: Cross multiply
871,652.56x = 1,202,873.28 × 489,671.08 - Step 4: Simplify right side
871,652.56x = 589,012,258,120.74 - Step 5: Solve for x
x = 589,012,258,120.74/871,652.56 - Step 6: Final answer
x = 675,742.02
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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.