Finding the Fourth Proportional to 578,163.11, 867,239.83 and 451,909.54
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Solution
The fourth proportional to 578,163.11, 867,239.83 and 451,909.54 is: 677,860.53
Step by Step Solution
- Step 1: Write the proportion equation
578,163.11 : 867,239.83 = 451,909.54 : x - Step 2: Convert to fraction form
578,163.11/867,239.83 = 451,909.54/x - Step 3: Cross multiply
578,163.11x = 867,239.83 × 451,909.54 - Step 4: Simplify right side
578,163.11x = 391,913,952,644.98 - Step 5: Solve for x
x = 391,913,952,644.98/578,163.11 - Step 6: Final answer
x = 677,860.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.