Finding the Fourth Proportional to 930,948.78, 1,396,532.50 and 331,995.08
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Solution
The fourth proportional to 930,948.78, 1,396,532.50 and 331,995.08 is: 498,031.61
Step by Step Solution
- Step 1: Write the proportion equation
930,948.78 : 1,396,532.50 = 331,995.08 : x - Step 2: Convert to fraction form
930,948.78/1,396,532.50 = 331,995.08/x - Step 3: Cross multiply
930,948.78x = 1,396,532.50 × 331,995.08 - Step 4: Simplify right side
930,948.78x = 463,641,919,060.10 - Step 5: Solve for x
x = 463,641,919,060.10/930,948.78 - Step 6: Final answer
x = 498,031.61
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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.