Finding the Fourth Proportional to 447,826.12, 618,786.94 and 357,923.98
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Solution
The fourth proportional to 447,826.12, 618,786.94 and 357,923.98 is: 494,564.02
Step by Step Solution
- Step 1: Write the proportion equation
447,826.12 : 618,786.94 = 357,923.98 : x - Step 2: Convert to fraction form
447,826.12/618,786.94 = 357,923.98/x - Step 3: Cross multiply
447,826.12x = 618,786.94 × 357,923.98 - Step 4: Simplify right side
447,826.12x = 221,478,684,336.82 - Step 5: Solve for x
x = 221,478,684,336.82/447,826.12 - Step 6: Final answer
x = 494,564.02
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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.