Finding the Fourth Proportional to 877,100.79, 1,316,176.05 and 378,464.79
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Solution
The fourth proportional to 877,100.79, 1,316,176.05 and 378,464.79 is: 567,923.66
Step by Step Solution
- Step 1: Write the proportion equation
877,100.79 : 1,316,176.05 = 378,464.79 : x - Step 2: Convert to fraction form
877,100.79/1,316,176.05 = 378,464.79/x - Step 3: Cross multiply
877,100.79x = 1,316,176.05 × 378,464.79 - Step 4: Simplify right side
877,100.79x = 498,126,292,366.28 - Step 5: Solve for x
x = 498,126,292,366.28/877,100.79 - Step 6: Final answer
x = 567,923.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.