Finding the Fourth Proportional to 1,046,907.21, 1,570,469.99 and 288,748.80
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Solution
The fourth proportional to 1,046,907.21, 1,570,469.99 and 288,748.80 is: 433,153.32
Step by Step Solution
- Step 1: Write the proportion equation
1,046,907.21 : 1,570,469.99 = 288,748.80 : x - Step 2: Convert to fraction form
1,046,907.21/1,570,469.99 = 288,748.80/x - Step 3: Cross multiply
1,046,907.21x = 1,570,469.99 × 288,748.80 - Step 4: Simplify right side
1,046,907.21x = 453,471,332,666.51 - Step 5: Solve for x
x = 453,471,332,666.51/1,046,907.21 - Step 6: Final answer
x = 433,153.32
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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.