Finding the Fourth Proportional to 988,526.10, 1,482,789.24 and 855,009.84
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Solution
The fourth proportional to 988,526.10, 1,482,789.24 and 855,009.84 is: 1,282,514.84
Step by Step Solution
- Step 1: Write the proportion equation
988,526.10 : 1,482,789.24 = 855,009.84 : x - Step 2: Convert to fraction form
988,526.10/1,482,789.24 = 855,009.84/x - Step 3: Cross multiply
988,526.10x = 1,482,789.24 × 855,009.84 - Step 4: Simplify right side
988,526.10x = 1,267,799,390,846.12 - Step 5: Solve for x
x = 1,267,799,390,846.12/988,526.10 - Step 6: Final answer
x = 1,282,514.84
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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.