Finding the Fourth Proportional to 877,120.94, 1,316,206.20 and 378,484.94
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Solution
The fourth proportional to 877,120.94, 1,316,206.20 and 378,484.94 is: 567,953.86
Step by Step Solution
- Step 1: Write the proportion equation
877,120.94 : 1,316,206.20 = 378,484.94 : x - Step 2: Convert to fraction form
877,120.94/1,316,206.20 = 378,484.94/x - Step 3: Cross multiply
877,120.94x = 1,316,206.20 × 378,484.94 - Step 4: Simplify right side
877,120.94x = 498,164,224,634.63 - Step 5: Solve for x
x = 498,164,224,634.63/877,120.94 - Step 6: Final answer
x = 567,953.86
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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.