Finding the Fourth Proportional to 831,148.74, 1,246,793.85 and 262,377.68
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Solution
The fourth proportional to 831,148.74, 1,246,793.85 and 262,377.68 is: 393,588.84
Step by Step Solution
- Step 1: Write the proportion equation
831,148.74 : 1,246,793.85 = 262,377.68 : x - Step 2: Convert to fraction form
831,148.74/1,246,793.85 = 262,377.68/x - Step 3: Cross multiply
831,148.74x = 1,246,793.85 × 262,377.68 - Step 4: Simplify right side
831,148.74x = 327,130,871,567.30 - Step 5: Solve for x
x = 327,130,871,567.30/831,148.74 - Step 6: Final answer
x = 393,588.84
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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.