Finding the Fourth Proportional to 620,983.84, 930,696.36 and 265,579.96
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Solution
The fourth proportional to 620,983.84, 930,696.36 and 265,579.96 is: 398,036.61
Step by Step Solution
- Step 1: Write the proportion equation
620,983.84 : 930,696.36 = 265,579.96 : x - Step 2: Convert to fraction form
620,983.84/930,696.36 = 265,579.96/x - Step 3: Cross multiply
620,983.84x = 930,696.36 × 265,579.96 - Step 4: Simplify right side
620,983.84x = 247,174,302,060.95 - Step 5: Solve for x
x = 247,174,302,060.95/620,983.84 - Step 6: Final answer
x = 398,036.61
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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.