Finding the Fourth Proportional to 655,069.58, 903,994.16 and 368,589.69
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Solution
The fourth proportional to 655,069.58, 903,994.16 and 368,589.69 is: 508,652.72
Step by Step Solution
- Step 1: Write the proportion equation
655,069.58 : 903,994.16 = 368,589.69 : x - Step 2: Convert to fraction form
655,069.58/903,994.16 = 368,589.69/x - Step 3: Cross multiply
655,069.58x = 903,994.16 × 368,589.69 - Step 4: Simplify right side
655,069.58x = 333,202,925,353.26 - Step 5: Solve for x
x = 333,202,925,353.26/655,069.58 - Step 6: Final answer
x = 508,652.72
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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.