Finding the Fourth Proportional to 961,670.84, 1,441,232.12 and 511,422.20
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Solution
The fourth proportional to 961,670.84, 1,441,232.12 and 511,422.20 is: 766,455.70
Step by Step Solution
- Step 1: Write the proportion equation
961,670.84 : 1,441,232.12 = 511,422.20 : x - Step 2: Convert to fraction form
961,670.84/1,441,232.12 = 511,422.20/x - Step 3: Cross multiply
961,670.84x = 1,441,232.12 × 511,422.20 - Step 4: Simplify right side
961,670.84x = 737,078,101,521.06 - Step 5: Solve for x
x = 737,078,101,521.06/961,670.84 - Step 6: Final answer
x = 766,455.70
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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.