Finding the Fourth Proportional to 578,963.91, 798,961.44 and 324,324.21
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Solution
The fourth proportional to 578,963.91, 798,961.44 and 324,324.21 is: 447,562.50
Step by Step Solution
- Step 1: Write the proportion equation
578,963.91 : 798,961.44 = 324,324.21 : x - Step 2: Convert to fraction form
578,963.91/798,961.44 = 324,324.21/x - Step 3: Cross multiply
578,963.91x = 798,961.44 × 324,324.21 - Step 4: Simplify right side
578,963.91x = 259,122,537,848.46 - Step 5: Solve for x
x = 259,122,537,848.46/578,963.91 - Step 6: Final answer
x = 447,562.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.