Finding the Fourth Proportional to 838,076.80, 1,255,732.80 and 713,660.80
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Solution
The fourth proportional to 838,076.80, 1,255,732.80 and 713,660.80 is: 1,069,314.02
Step by Step Solution
- Step 1: Write the proportion equation
838,076.80 : 1,255,732.80 = 713,660.80 : x - Step 2: Convert to fraction form
838,076.80/1,255,732.80 = 713,660.80/x - Step 3: Cross multiply
838,076.80x = 1,255,732.80 × 713,660.80 - Step 4: Simplify right side
838,076.80x = 896,167,274,634.24 - Step 5: Solve for x
x = 896,167,274,634.24/838,076.80 - Step 6: Final answer
x = 1,069,314.02
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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.