Finding the Fourth Proportional to 855,328.48, 1,283,277.66 and 286,765.84
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Solution
The fourth proportional to 855,328.48, 1,283,277.66 and 286,765.84 is: 430,244.29
Step by Step Solution
- Step 1: Write the proportion equation
855,328.48 : 1,283,277.66 = 286,765.84 : x - Step 2: Convert to fraction form
855,328.48/1,283,277.66 = 286,765.84/x - Step 3: Cross multiply
855,328.48x = 1,283,277.66 × 286,765.84 - Step 4: Simplify right side
855,328.48x = 368,000,196,123.13 - Step 5: Solve for x
x = 368,000,196,123.13/855,328.48 - Step 6: Final answer
x = 430,244.29
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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.