Finding the Fourth Proportional to 1,153,772.37, 1,731,278.21 and 480,318.53
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Solution
The fourth proportional to 1,153,772.37, 1,731,278.21 and 480,318.53 is: 720,735.75
Step by Step Solution
- Step 1: Write the proportion equation
1,153,772.37 : 1,731,278.21 = 480,318.53 : x - Step 2: Convert to fraction form
1,153,772.37/1,731,278.21 = 480,318.53/x - Step 3: Cross multiply
1,153,772.37x = 1,731,278.21 × 480,318.53 - Step 4: Simplify right side
1,153,772.37x = 831,564,993,790.25 - Step 5: Solve for x
x = 831,564,993,790.25/1,153,772.37 - Step 6: Final answer
x = 720,735.75
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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.