Finding the Fourth Proportional to 712,868.58, 1,069,469.73 and 207,440.73
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Solution
The fourth proportional to 712,868.58, 1,069,469.73 and 207,440.73 is: 311,209.65
Step by Step Solution
- Step 1: Write the proportion equation
712,868.58 : 1,069,469.73 = 207,440.73 : x - Step 2: Convert to fraction form
712,868.58/1,069,469.73 = 207,440.73/x - Step 3: Cross multiply
712,868.58x = 1,069,469.73 × 207,440.73 - Step 4: Simplify right side
712,868.58x = 221,851,581,504.10 - Step 5: Solve for x
x = 221,851,581,504.10/712,868.58 - Step 6: Final answer
x = 311,209.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.