Finding the Fourth Proportional to 989,183.70, 1,484,650.35 and 847,466.10
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Solution
The fourth proportional to 989,183.70, 1,484,650.35 and 847,466.10 is: 1,271,948.62
Step by Step Solution
- Step 1: Write the proportion equation
989,183.70 : 1,484,650.35 = 847,466.10 : x - Step 2: Convert to fraction form
989,183.70/1,484,650.35 = 847,466.10/x - Step 3: Cross multiply
989,183.70x = 1,484,650.35 × 847,466.10 - Step 4: Simplify right side
989,183.70x = 1,258,190,841,978.14 - Step 5: Solve for x
x = 1,258,190,841,978.14/989,183.70 - Step 6: Final answer
x = 1,271,948.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.