Finding the Fourth Proportional to 977,686.20, 1,466,529.30 and 883,207.80
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Solution
The fourth proportional to 977,686.20, 1,466,529.30 and 883,207.80 is: 1,324,811.70
Step by Step Solution
- Step 1: Write the proportion equation
977,686.20 : 1,466,529.30 = 883,207.80 : x - Step 2: Convert to fraction form
977,686.20/1,466,529.30 = 883,207.80/x - Step 3: Cross multiply
977,686.20x = 1,466,529.30 × 883,207.80 - Step 4: Simplify right side
977,686.20x = 1,295,250,116,688.54 - Step 5: Solve for x
x = 1,295,250,116,688.54/977,686.20 - Step 6: Final answer
x = 1,324,811.70
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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.