Finding the Fourth Proportional to 679,930.02, 938,325.74 and 374,029.88
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Solution
The fourth proportional to 679,930.02, 938,325.74 and 374,029.88 is: 516,173.50
Step by Step Solution
- Step 1: Write the proportion equation
679,930.02 : 938,325.74 = 374,029.88 : x - Step 2: Convert to fraction form
679,930.02/938,325.74 = 374,029.88/x - Step 3: Cross multiply
679,930.02x = 938,325.74 × 374,029.88 - Step 4: Simplify right side
679,930.02x = 350,961,857,371.33 - Step 5: Solve for x
x = 350,961,857,371.33/679,930.02 - Step 6: Final answer
x = 516,173.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.