Finding the Fourth Proportional to 877,776.13, 1,316,664.73 and 212,928.13
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Solution
The fourth proportional to 877,776.13, 1,316,664.73 and 212,928.13 is: 319,392.32
Step by Step Solution
- Step 1: Write the proportion equation
877,776.13 : 1,316,664.73 = 212,928.13 : x - Step 2: Convert to fraction form
877,776.13/1,316,664.73 = 212,928.13/x - Step 3: Cross multiply
877,776.13x = 1,316,664.73 × 212,928.13 - Step 4: Simplify right side
877,776.13x = 280,354,958,795.86 - Step 5: Solve for x
x = 280,354,958,795.86/877,776.13 - Step 6: Final answer
x = 319,392.32
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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.