Finding the Fourth Proportional to 961,634.21, 1,441,177.17 and 511,385.58
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Solution
The fourth proportional to 961,634.21, 1,441,177.17 and 511,385.58 is: 766,400.80
Step by Step Solution
- Step 1: Write the proportion equation
961,634.21 : 1,441,177.17 = 511,385.58 : x - Step 2: Convert to fraction form
961,634.21/1,441,177.17 = 511,385.58/x - Step 3: Cross multiply
961,634.21x = 1,441,177.17 × 511,385.58 - Step 4: Simplify right side
961,634.21x = 736,997,221,045.51 - Step 5: Solve for x
x = 736,997,221,045.51/961,634.21 - Step 6: Final answer
x = 766,400.80
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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.