Finding the Fourth Proportional to 1,385,270.64, 2,078,113.76 and 486,554
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Solution
The fourth proportional to 1,385,270.64, 2,078,113.76 and 486,554 is: 729,903.99
Step by Step Solution
- Step 1: Write the proportion equation
1,385,270.64 : 2,078,113.76 = 486,554 : x - Step 2: Convert to fraction form
1,385,270.64/2,078,113.76 = 486,554/x - Step 3: Cross multiply
1,385,270.64x = 2,078,113.76 × 486,554 - Step 4: Simplify right side
1,385,270.64x = 1,011,114,562,383.04 - Step 5: Solve for x
x = 1,011,114,562,383.04/1,385,270.64 - Step 6: Final answer
x = 729,903.99
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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.