Finding the Fourth Proportional to 1,378,903.68, 2,068,364.68 and 480,362.40
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Solution
The fourth proportional to 1,378,903.68, 2,068,364.68 and 480,362.40 is: 720,546.79
Step by Step Solution
- Step 1: Write the proportion equation
1,378,903.68 : 2,068,364.68 = 480,362.40 : x - Step 2: Convert to fraction form
1,378,903.68/2,068,364.68 = 480,362.40/x - Step 3: Cross multiply
1,378,903.68x = 2,068,364.68 × 480,362.40 - Step 4: Simplify right side
1,378,903.68x = 993,564,621,760.03 - Step 5: Solve for x
x = 993,564,621,760.03/1,378,903.68 - Step 6: Final answer
x = 720,546.79
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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.