Finding the Fourth Proportional to 654,602.70, 903,343.10 and 368,122.70
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Solution
The fourth proportional to 654,602.70, 903,343.10 and 368,122.70 is: 508,004.48
Step by Step Solution
- Step 1: Write the proportion equation
654,602.70 : 903,343.10 = 368,122.70 : x - Step 2: Convert to fraction form
654,602.70/903,343.10 = 368,122.70/x - Step 3: Cross multiply
654,602.70x = 903,343.10 × 368,122.70 - Step 4: Simplify right side
654,602.70x = 332,541,100,998.37 - Step 5: Solve for x
x = 332,541,100,998.37/654,602.70 - Step 6: Final answer
x = 508,004.48
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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.