Finding the Fourth Proportional to 713,793.21, 1,070,970.08 and 314,153.66
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Solution
The fourth proportional to 713,793.21, 1,070,970.08 and 314,153.66 is: 471,353.83
Step by Step Solution
- Step 1: Write the proportion equation
713,793.21 : 1,070,970.08 = 314,153.66 : x - Step 2: Convert to fraction form
713,793.21/1,070,970.08 = 314,153.66/x - Step 3: Cross multiply
713,793.21x = 1,070,970.08 × 314,153.66 - Step 4: Simplify right side
713,793.21x = 336,449,163,456.87 - Step 5: Solve for x
x = 336,449,163,456.87/713,793.21 - Step 6: Final answer
x = 471,353.83
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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.