Finding the Fourth Proportional to 447,958.68, 671,936.80 and 368,905.92
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Solution
The fourth proportional to 447,958.68, 671,936.80 and 368,905.92 is: 553,357.88
Step by Step Solution
- Step 1: Write the proportion equation
447,958.68 : 671,936.80 = 368,905.92 : x - Step 2: Convert to fraction form
447,958.68/671,936.80 = 368,905.92/x - Step 3: Cross multiply
447,958.68x = 671,936.80 × 368,905.92 - Step 4: Simplify right side
447,958.68x = 247,881,463,385.86 - Step 5: Solve for x
x = 247,881,463,385.86/447,958.68 - Step 6: Final answer
x = 553,357.88
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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.