Finding the Fourth Proportional to 1,043,643.57, 1,565,688.50 and 323,969.49
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Solution
The fourth proportional to 1,043,643.57, 1,565,688.50 and 323,969.49 is: 486,023.50
Step by Step Solution
- Step 1: Write the proportion equation
1,043,643.57 : 1,565,688.50 = 323,969.49 : x - Step 2: Convert to fraction form
1,043,643.57/1,565,688.50 = 323,969.49/x - Step 3: Cross multiply
1,043,643.57x = 1,565,688.50 × 323,969.49 - Step 4: Simplify right side
1,043,643.57x = 507,235,303,224.02 - Step 5: Solve for x
x = 507,235,303,224.02/1,043,643.57 - Step 6: Final answer
x = 486,023.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.