Finding the Fourth Proportional to 742,770.66, 1,112,338.93 and 670,885.08
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Solution
The fourth proportional to 742,770.66, 1,112,338.93 and 670,885.08 is: 1,004,686.42
Step by Step Solution
- Step 1: Write the proportion equation
742,770.66 : 1,112,338.93 = 670,885.08 : x - Step 2: Convert to fraction form
742,770.66/1,112,338.93 = 670,885.08/x - Step 3: Cross multiply
742,770.66x = 1,112,338.93 × 670,885.08 - Step 4: Simplify right side
742,770.66x = 746,251,593,706.50 - Step 5: Solve for x
x = 746,251,593,706.50/742,770.66 - Step 6: Final answer
x = 1,004,686.42
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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.