Finding the Fourth Proportional to 982,972.50, 1,475,031.99 and 414,318.84
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Solution
The fourth proportional to 982,972.50, 1,475,031.99 and 414,318.84 is: 621,719.88
Step by Step Solution
- Step 1: Write the proportion equation
982,972.50 : 1,475,031.99 = 414,318.84 : x - Step 2: Convert to fraction form
982,972.50/1,475,031.99 = 414,318.84/x - Step 3: Cross multiply
982,972.50x = 1,475,031.99 × 414,318.84 - Step 4: Simplify right side
982,972.50x = 611,133,543,059.69 - Step 5: Solve for x
x = 611,133,543,059.69/982,972.50 - Step 6: Final answer
x = 621,719.88
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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.