Finding the Fourth Proportional to 930,277.80, 1,395,416.70 and 855,628.20
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Solution
The fourth proportional to 930,277.80, 1,395,416.70 and 855,628.20 is: 1,283,442.30
Step by Step Solution
- Step 1: Write the proportion equation
930,277.80 : 1,395,416.70 = 855,628.20 : x - Step 2: Convert to fraction form
930,277.80/1,395,416.70 = 855,628.20/x - Step 3: Cross multiply
930,277.80x = 1,395,416.70 × 855,628.20 - Step 4: Simplify right side
930,277.80x = 1,193,957,879,270.94 - Step 5: Solve for x
x = 1,193,957,879,270.94/930,277.80 - Step 6: Final answer
x = 1,283,442.30
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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.