Finding the Fourth Proportional to 655,076.76, 903,995.46 and 368,596.68
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Solution
The fourth proportional to 655,076.76, 903,995.46 and 368,596.68 is: 508,657.53
Step by Step Solution
- Step 1: Write the proportion equation
655,076.76 : 903,995.46 = 368,596.68 : x - Step 2: Convert to fraction form
655,076.76/903,995.46 = 368,596.68/x - Step 3: Cross multiply
655,076.76x = 903,995.46 × 368,596.68 - Step 4: Simplify right side
655,076.76x = 333,209,725,291.07 - Step 5: Solve for x
x = 333,209,725,291.07/655,076.76 - Step 6: Final answer
x = 508,657.53
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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.