Finding the Fourth Proportional to 881,013.70, 1,235,907.50 and 881,013.70
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Solution
The fourth proportional to 881,013.70, 1,235,907.50 and 881,013.70 is: 1,235,907.50
Step by Step Solution
- Step 1: Write the proportion equation
881,013.70 : 1,235,907.50 = 881,013.70 : x - Step 2: Convert to fraction form
881,013.70/1,235,907.50 = 881,013.70/x - Step 3: Cross multiply
881,013.70x = 1,235,907.50 × 881,013.70 - Step 4: Simplify right side
881,013.70x = 1,088,851,439,432.75 - Step 5: Solve for x
x = 1,088,851,439,432.75/881,013.70 - Step 6: Final answer
x = 1,235,907.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.