Finding the Fourth Proportional to 982,874.12, 1,356,784.74 and 660,771
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Solution
The fourth proportional to 982,874.12, 1,356,784.74 and 660,771 is: 912,145.31
Step by Step Solution
- Step 1: Write the proportion equation
982,874.12 : 1,356,784.74 = 660,771 : x - Step 2: Convert to fraction form
982,874.12/1,356,784.74 = 660,771/x - Step 3: Cross multiply
982,874.12x = 1,356,784.74 × 660,771 - Step 4: Simplify right side
982,874.12x = 896,524,009,434.54 - Step 5: Solve for x
x = 896,524,009,434.54/982,874.12 - Step 6: Final answer
x = 912,145.31
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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.