Finding the Fourth Proportional to 650,772.36, 898,038.90 and 378,847.26
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Solution
The fourth proportional to 650,772.36, 898,038.90 and 378,847.26 is: 522,793.53
Step by Step Solution
- Step 1: Write the proportion equation
650,772.36 : 898,038.90 = 378,847.26 : x - Step 2: Convert to fraction form
650,772.36/898,038.90 = 378,847.26/x - Step 3: Cross multiply
650,772.36x = 898,038.90 × 378,847.26 - Step 4: Simplify right side
650,772.36x = 340,219,576,638.41 - Step 5: Solve for x
x = 340,219,576,638.41/650,772.36 - Step 6: Final answer
x = 522,793.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.